Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from...

include: Chess problem Computational problem Mathematical problem Problem(s) or The Problem may also refer to: Problems (Aristotle), an Aristotelian (or...

Look up no problem in Wiktionary, the free dictionary. No problem is an English-language expression. No Problem may refer to: No Problem! (TV series)...

first condition of solving a problem is understanding the problem, which can be done by way of a problem statement. Problem statements are used by most...

In mathematics, Plateau's problem is to show the existence of a minimal surface with a given boundary. The problem is considered part of the calculus of...

binding problem is the problem of how objects, background, and abstract or emotional features are combined into a single experience. The binding problem refers...

No problem is an English expression, used as a response to thanks (among other functions). It is regarded by some as a less formal alternative to you're...

Molyneux's problem is a thought experiment in philosophy concerning immediate recovery from blindness. It was first formulated by William Molyneux, and...

shape that can surround it with no overlaps and no gaps. Heesch's problem is the problem of determining the set of numbers that can be Heesch numbers. Both...

The Zendian problem was an exercise in communication intelligence operations (mainly traffic analysis and cryptanalysis) devised by Lambros D. Callimahos...

5 , 7 {\displaystyle n=4,5,7} ? More unsolved problems in mathematics Brocard's problem is a problem in mathematics that seeks integer values of n {\displaystyle...

An inverse problem in science is the process of calculating from a set of observations the causal factors that produced them: for example, calculating...

The trolley problem is a thought experiment in moral philosophy and moral psychology with many variations, involving hypothetical ethical dilemmas about...

The Tiffany problem or Tiffany effect refers to the issue where a historical or realistic fact seems anachronistic or unrealistic to modern audiences...

In probability theory, the birthday problem asks for the probability that, in a set of n randomly chosen people, at least two will share the same birthday...

In number theory, Znám's problem asks which sets of integers have the property that each integer in the set is a proper divisor of the product of the...

The Burnside problem asks whether a finitely generated group in which every element has finite order must necessarily be a finite group. It was posed...

The Basel problem is a problem in mathematical analysis with relevance to number theory, concerning an infinite sum of inverse squares. It was first posed...

philosophy and mathematics, Newcomb's problem, also known as Newcomb's paradox, is a thought experiment posing a decision problem in which a player must decide...

In physics, the phase problem is the problem of loss of information concerning the phase that can occur when making a physical measurement. The name comes...

known as the marriage problem, the sultan's dowry problem, the fussy suitor problem, the googol game, and the best choice problem. Its solution is also...

artificial intelligence, with implications for cognitive science, the frame problem describes an issue with using first-order logic to express facts about...

The angel problem is a question in combinatorial game theory proposed by John Horton Conway. The game is commonly referred to as the angels and devils...

A Fermi problem (or Fermi question, Fermi quiz), also known as an order-of-magnitude problem, is an estimation problem in physics or engineering education...

In computability theory, the halting problem is the decision problem of, given an arbitrary computer program and an input, determining whether said program...

In mathematics, the Schoenflies problem or Schoenflies theorem, of geometric topology is a sharpening of the Jordan curve theorem by Arthur Schoenflies...

In the field of epistemology, the Gettier problem is a landmark philosophical problem concerning the understanding of descriptive knowledge. Attributed...

decision problem is a computational problem that can be posed as a yes–no question on a set of input values. An example of a decision problem is deciding...

In theoretical physics, the problem of time is a conceptual conflict between quantum mechanics and general relativity. Quantum mechanics regards the flow...

A chess problem, also called a chess composition, is a puzzle created by the composer using chess pieces on a chessboard, which presents the solver with...

Problem gambling (PG), also known as pathological gambling, gambling disorder, gambling addiction or ludomania, is repetitive gambling behavior despite...

The problem of universals is an ancient question from metaphysics that has inspired a range of philosophical topics and disputes: "Should the properties...

The is–ought problem is the question of whether moral statements about what ought to be can be inferred from objective statements about what is. It was...

"The Final Problem" is a short story by Sir Arthur Conan Doyle featuring his detective character Sherlock Holmes. It was first published in The Strand...

In physics, specifically classical mechanics, the three-body problem is to take the initial positions and velocities (or momenta) of three point masses...

3 Body Problem is an American science fiction television series created by David Benioff, D. B. Weiss, and Alexander Woo. It is the third adaptation of...

Czechoslovakia and Eastern Bloc had previously interfered politically. The problem entered its current phase in the aftermath of the 1974 Turkish invasion...

economics, an optimization problem is the problem of finding the best solution from all feasible solutions. Optimization problems can be divided into two...

In computer science, the clique problem is the computational problem of finding cliques (subsets of vertices, all adjacent to each other, also called complete...

Look up problem child in Wiktionary, the free dictionary. Problem child may refer to a child who is particularly difficult to raise or educate, especially...

In computing, the Halloween Problem refers to a phenomenon in databases in which an update operation causes a change in the physical location of a row...

In planning and policy, a wicked problem is a problem that is difficult or impossible to solve because of incomplete, contradictory, and changing requirements...

In multithreaded computing, the ABA problem occurs during synchronization, when a location is read twice, has the same value for both reads, and the read...

The Scunthorpe problem is the unintentional blocking of online content by a spam filter, search engine or wordfilter because the text contains a string...

The knapsack problem is the following problem in combinatorial optimization: Given a set of items, each with a weight and a value, determine which items...

problem is the following question: Is every abelian group A with Ext1(A, Z) = 0 a free abelian group? Saharon Shelah proved that Whitehead's problem is...

computer science and mathematics, the Josephus problem (or Josephus permutation) is a theoretical problem related to a certain counting-out game. Such games...

cannibals problem, and the closely related jealous husbands problem, are classic river-crossing logic puzzles. The missionaries and cannibals problem is a...

theory and computational complexity theory, an undecidable problem is a decision problem for which it is proved to be impossible to construct an algorithm...

In quantum mechanics, the measurement problem is the problem of definite outcomes: quantum systems have superpositions but quantum measurements only give...

lattice problems are a class of optimization problems related to mathematical objects called lattices. The conjectured intractability of such problems is central...

In plane discrete geometry, the einstein problem asks about the existence of a single prototile that by itself forms an aperiodic set of prototiles; that...

In number theory and computer science, the partition problem, or number partitioning, is the task of deciding whether a given multiset S of positive integers...

The XY problem is a communication problem encountered in help desk, technical support, software engineering, or customer service situations where the question...

Naimark's problem is a question in functional analysis asked by Naimark (1951). It asks whether every C*-algebra that has only one irreducible ∗ {\displaystyle...

The DBAR problem, or the ∂ ¯ {\displaystyle {\bar {\partial }}} -problem, is the problem of solving the differential equation ∂ ¯ f ( z , z ¯ ) = g (...

The problem of evil, also known as the problem of suffering, is the philosophical question of how to reconcile the existence of evil and suffering with...

The Anglophone problem (French: problème anglophone) is a socio-political issue in the modern Republic of Cameroon, rooted in the country's German, British...

there occur various problems that are inherent in the formulations that use aggregated variables. The aggregation problem is the problem of finding a valid...

computational complexity theory and quantum computing, Simon's problem is a computational problem that is proven to be solved exponentially faster on a quantum...

In science and mathematics, an open problem or an open question is a known problem which can be accurately stated, and which is assumed to have an objective...

The flatness problem (also known as the oldness problem) is a cosmological fine-tuning problem within the Big Bang model of the universe. Measurements...

The Mott problem is an iconic challenge to quantum mechanics theory: how can the prediction of spherically symmetric wave function result in linear tracks...

In mathematics, the Pompeiu problem is a conjecture in integral geometry, named for Dimitrie Pompeiu, who posed the problem in 1929. It is stated as follows...

Measure problem may refer to: Measure problem (cosmology), problem concerning how to compute fractions of universes of different types within a multiverse...

In IT, a grey problem (or, gray problem) is a problem where the causing technology is unknown or unconfirmed. Common grey problems are: Intermittent errors;...

In theoretical physics, the hierarchy problem is the problem concerning the large discrepancy between aspects of the weak force and gravity. There is no...

The jeep problem, desert crossing problem or exploration problem is a mathematics problem in which a jeep must maximize the distance it can travel into...

In finite geometry, Lam's problem is the problem of determining if a finite projective plane of order ten exists. The order ten case is the first theoretically...

of variations, the Chaplygin problem is an isoperimetric problem with a differential constraint. Specifically, the problem is to determine what flight...

In mathematics, the Schottky problem, named after Friedrich Schottky, is a classical question of algebraic geometry, asking for a characterisation of...

The Problem Solverz is an American animated television series created by Ben Jones for Cartoon Network. It follows Alfe, Roba, and Horace; a group of...

mathematical problem is a problem that can be represented, analyzed, and possibly solved, with the methods of mathematics. This can be a real-world problem, such...

In mathematics, the solution to a well-posed problem satisfies the following properties: It exists; It is unique; Its behavior changes continuously with...

Hermite's problem is an open problem in mathematics posed by Charles Hermite in 1848. He asked for a way of expressing real numbers as sequences of natural...

The necklace problem is a problem in recreational mathematics concerning the reconstruction of necklaces (cyclic arrangements of binary values) from partial...

The peso problem in finance is a problem which arises when "the possibility that some infrequent or unprecedented event may occur affects asset prices"...

The Yamabe problem refers to a conjecture in the mathematical field of differential geometry, which was resolved in the 1980s. It is a statement about...

subgraphs of a given size? More unsolved problems in mathematics The Zarankiewicz problem, an unsolved problem in mathematics, asks for the largest possible...

In mathematics, Shephard's problem, is the following geometrical question asked by Geoffrey Colin Shephard in 1964: if K and L are centrally symmetric...

constant problem is the problem of deciding whether a given expression is equal to zero. This problem is also referred to as the identity problem or the...

The majority problem, or density classification task, is the problem of finding one-dimensional cellular automaton rules that accurately perform majority...

First World problem is an informal term for the issues in First World nations that are complained about in response to the perceived absence of more pressing...

Look up word problem in Wiktionary, the free dictionary. Word problem may refer to: Word problem (mathematics education), a type of textbook exercise...

A wild problem is a class of problems where the various parts that specify the problem can change, or keep changing, and there is no single "right" outcome...

The horizon problem, also known as the homogeneity problem, is a cosmological fine-tuning problem within the Big Bang model of the universe. Observations...

Hilbert's problems are 23 problems in mathematics published by German mathematician David Hilbert in 1900. They were all unsolved at the time, and several...

The Problem with Apu is a 2017 American documentary film written by and starring comedian Hari Kondabolu and produced and directed by Michael Melamedoff...

The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal...

The year 2038 problem (also known as Y2038, Y2K38, Y2K38 superbug, or the Epochalypse) is a time computing problem that leaves some computer systems unable...

In historical scholarship, the Socratic problem (also called Socratic question) concerns attempts at reconstructing a historical and philosophical image...

Problem Solvers may refer to: The Problem Solverz, an animated television series aired on Cartoon Network "The Problem Solvers", an episode of sitcom 30...

around 2016. The first twenty-one Fleet Problems — labeled by Navy leadership as Fleet Problem I through Fleet Problem XXI — were conducted between 1923 and...

the two-dimensional problem and presented results that he had obtained in 1970–71. The conjecture, also called Jacobian problem, was subsequently widely...

The Millennium Prize Problems are seven well-known complex mathematical problems selected by the Clay Mathematics Institute in 2000. The Clay Institute...

For Tarski's problem about the elementary theory of free groups see free group. Tarski's circle-squaring problem Tarski's plank problem Tarski's exponential...

"Somebody else's problem" or "someone else's problem" is an issue which is dismissed by a person on the grounds that they consider somebody else to be...

"Drinkin' Problem" is the debut single of the American country music band Midland. It was released on February 27, 2017, as the first single from their...

In number theory, Waring's problem asks whether each natural number k has an associated positive integer s such that every natural number is the sum of...

The candle problem or candle task, also known as Duncker's candle problem, is a cognitive performance test, measuring the influence of functional fixedness...

The divergence problem is an anomaly from the field of dendroclimatology, the study of past climate through observations of old trees, primarily the properties...

Though dark matter is by far the most accepted explanation of the rotation problem, other theories have been proposed. One of the most notable is modified...

assignment problem is a fundamental combinatorial optimization problem. In its most general form, the problem is as follows: The problem instance has...

The swamping problem is an issue in epistemology concerning the value of knowledge relative to true belief. Under views that treat a true belief as the...

If species were fixed and distinct from one another, there would be no problem, but evolutionary processes cause species to change. This obliges taxonomists...

theory, a branch of mathematics, the embedding problem is a generalization of the inverse Galois problem. Roughly speaking, it asks whether a given Galois...

problem (also referred to as the Frobenius coin problem or Frobenius problem, after the mathematician Ferdinand Frobenius) is a mathematical problem that...

Problem books are textbooks, usually at advanced undergraduate or post-graduate level, in which the material is organized as a series of problems, each...

20th-century discussions of Karl Marx's economics, the transformation problem is the problem of finding a general rule by which to transform the "values" of...

In classical mechanics, the Kepler problem is a special case of the two-body problem, in which the two bodies interact by a central force that varies...

theoretical computer science, a problem is one that asks for a solution in terms of an algorithm. For example, the problem of factoring "Given a positive...

The passenger problem is the inability of technological systems designed for use in a moving vehicle to differentiate between a driver and a passenger...

The transfer problem in international trade refers to the possibility that a debtor country might end up better off after making payments to its creditor...

The C10k problem was the problem of optimizing computer networking stacks to handle a large number of clients at the same time. The name C10k is a numeronym...

The problem of induction is a philosophical problem that questions the rationality of predictions about unobserved things based on previous observations...

Bhaji in Problem is a 2013 Indian Punjabi-language comedy film directed by Smeep Kang, who had earlier directed films like Carry on Jatta and Lucky Di...

The problem of Hell is a purported ethical problem in the Abrahamic religions of Christianity and Islam, in which the existence of Hell or Jahannam for...

"The Kekulé Problem" is a 2017 essay written by the American author Cormac McCarthy for the Santa Fe Institute (SFI). It was McCarthy's first published...

In geometry, a dissection problem is the problem of partitioning a geometric figure (such as a polytope or ball) into smaller pieces that may be rearranged...

In mathematics, the Hurwitz problem (named after Adolf Hurwitz) is the problem of finding multiplicative relations between quadratic forms which generalise...

In computing, the Two Generals' Problem (or Chinese Generals Problem) is a thought experiment meant to illustrate the pitfalls and design challenges of...

The Year 2000 problem (Y2K) was the potential for computer errors on the Gregorian calendar related to the formatting and storage of calendar data for...

In mathematics, Suslin's problem is a question about totally ordered sets posed by Mikhail Yakovlevich Suslin (1920) and published posthumously. It has...

The Alignment Problem: Machine Learning and Human Values is a 2020 non-fiction book by the American writer Brian Christian. It is based on numerous interviews...

In philosophy of science and epistemology, the demarcation problem is the question of how to distinguish between science and non-science. It also examines...

problem refers to a limitation in sieve theory that prevents sieves from giving good estimates in many kinds of prime-counting problems. The problem was...

"Problem Dog" is the seventh episode of the fourth season of the American television drama series Breaking Bad, and the 40th overall episode of the series...

The objective of the Thomson problem is to determine the minimum electrostatic potential energy configuration of N electrons constrained to the surface...

problem is a computational problem where a single output is expected for every input, but the output is more complex than that of a decision problem....

"The Problem with a Poo" is the third episode of the twenty-second season of the American animated television series South Park. The 290th overall episode...

Packing problems are a class of optimization problems in mathematics that involve attempting to pack objects together into containers. The goal is to...

The expression problem is a problem in programming languages that concerns the extensibility and modularity of statically typed data abstractions. The...

The Problem of Pain is a 1940 book on the problem of evil by C. S. Lewis, in which Lewis argues that human pain, animal pain, and hell are not sufficient...

Robbins' problem of optimal stopping, named after Herbert Robbins, is sometimes referred to as the fourth secretary problem or the problem of minimizing...

The "No-Problem" Problem refers to an often spoken facet of systemic bias, whereby exclusion of minorities or marginalized people and knowledge occurs...

Problem property is terminology used by city governments seeking to apply pressure to the owners and managers of buildings where crime has occurred. "Problem...

marriage problem may refer to: Assignment problem, consisting of finding a maximum weight matching in a weighted bipartite graph Secretary problem, also...

Unsolved problem in computer science If the solution to a problem can be checked in polynomial time, must the problem be solvable in polynomial time? More...

locate in Wiktionary, the free dictionary. Location problem may refer to several categories of problems within various application areas associated with...

In celestial mechanics, Lambert's problem is concerned with the determination of an orbit from two position vectors and the time of flight, posed in the...

to the study of optimal transportation and allocation of resources. The problem was formalized by the French mathematician Gaspard Monge in 1781. In the...

is empty if its set of valid sentences is the empty set. The emptiness problem is the question of determining whether a language is empty given some representation...

of unsolved problems in astronomy List of unsolved problems in biology List of unsolved problems in chemistry List of unsolved problems in geoscience...

of social system must confront and solve the three fundamental economic problems: What kinds and quantities of goods shall be produced? "...how much and...

deputy problem is often cited as an example of why capability-based security is important. Capability systems protect against the confused deputy problem, whereas...

In scientific disciplines, a toy problem or a puzzlelike problem is a problem that is not of immediate scientific interest, yet is used as an expository...

In combustion, Emmons problem describes the flame structure which develops inside the boundary layer, created by a flowing oxidizer stream on flat fuel...

In differential geometry, the Minkowski problem, named after Hermann Minkowski, asks for the construction of a strictly convex compact surface S whose...

particularly to phase transitions in matter, a Stefan problem is a particular kind of boundary value problem for a system of partial differential equations (PDE)...

processes in mathematics, a disorder problem or quickest detection problem (formulated by Kolmogorov) is the problem of using ongoing observations of a...

In the theory of computational complexity, the travelling salesman problem (TSP) asks the following question: "Given a list of cities and the distances...

In mathematics, the Fekete problem is, given a natural number N and a real s ≥ 0, to find the points x1,...,xN on the 2-sphere for which the s-energy...

The Honky Problem is a 1991 animated short film by Mike Judge. It features an original character, Inbred Jed, who is playing with his country music band...

Problem Child is a 1990 American comedy film directed by Dennis Dugan in his feature film directorial debut and produced by Robert Simonds. The film stars...

nineteenth problem is one of the 23 Hilbert problems, set out in a list compiled by David Hilbert in 1900. It asks whether the solutions of regular problems in...

Steiner's problem (named after Jakob Steiner) may refer to: Steiner's calculus problem The Steiner tree problem Steiner's conic problem This disambiguation...

A Cauchy problem in mathematics asks for the solution of a partial differential equation that satisfies certain conditions that are given on a hypersurface...

artificial intelligence (especially, knowledge based systems), the ramification problem is concerned with the indirect consequences of an action. It might also...

General Problem Solver (GPS) is a computer program created in 1957 by Herbert A. Simon, J. C. Shaw, and Allen Newell (RAND Corporation) intended to work...

Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer...

In applied mathematics, Wahba's problem, first posed by Grace Wahba in 1965, seeks to find a rotation matrix (special orthogonal matrix) between two coordinate...

the Skorokhod problem is the problem of solving a stochastic differential equation with a reflecting boundary condition. The problem is named after Anatoliy...

In the analytic theory of continued fractions, the convergence problem is the determination of conditions on the partial numerators ai and partial denominators...

The strong CP problem is a question in particle physics, which brings up the following quandary: why does quantum chromodynamics (QCD) seem to preserve...

Problem may refer to The trolley problem, a thought experiment The Trolley Problem (The Good Place), an episode of the TV series The Trolley Problem (Inside...

The Three-Body Problem (Chinese: 三体; pinyin: Sān tǐ; lit. 'three body') is a 2008 novel by the Chinese hard science fiction author Liu Cixin. It is the...

sixth problem is to axiomatize those branches of physics in which mathematics is prevalent. It occurs on the widely cited list of Hilbert's problems in mathematics...

In philosophy of mind, the hard problem of consciousness (or simply the hard problem) is to explain how and why organisms have qualia, phenomenal consciousness...

In geometry, the Weber problem, named after Alfred Weber, is one of the most famous problems in location theory. It requires finding a point in the plane...

Plato's problem is the term given by Noam Chomsky to "the problem of explaining how we can know so much" given our limited experience. Chomsky believes...

Isomorphism problem may refer to: graph isomorphism problem group isomorphism problem isomorphism problem of Coxeter groups This disambiguation page lists...

Problem of pain can mean: the problem of evil, the central concern of theodicy The Problem of Pain, a book about that topic by C. S. Lewis The Problem...

battle with the criminal mastermind Professor James Moriarty in "The Final Problem" (published 1893, but set in 1891), as Conan Doyle felt that "my literary...

the Steiner tree problem, or minimum Steiner tree problem, named after Jakob Steiner, is an umbrella term for a class of problems in combinatorial optimization...

Napoleon's problem is a compass construction problem. In it, a circle and its center are given. The challenge is to divide the circle into four equal...

Shoulder problems, including pain, are some of the more common reasons for physician visits for musculoskeletal symptoms. The shoulder is the most movable...

In differential geometry, Bernstein's problem is as follows: if the graph of a function on Rn−1 is a minimal surface in Rn, does this imply that the function...

The Hard Problem is a play by Tom Stoppard, first produced in 2015. The title refers to the hard problem of consciousness, which Stoppard defines as having...

"Fuckin'Problems" (also censored as "Problems" and titled on the clean version "F**kin'Problems") is a song by American rapper ASAP Rocky, featuring Canadian...

smallest-circle problem (also known as minimum covering circle problem, bounding circle problem, least bounding circle problem, smallest enclosing circle problem) is...

of figurate numbers, the cannonball problem asks which numbers are both square and square pyramidal. The problem can be stated as: given a square arrangement...

In finance, a holdout problem occurs when a bond issuer is in default or nears default, and launches an exchange offer in an attempt to restructure debt...

Hard problem may refer to: The Hard Problem, a 2015 play by Tom Stoppard Hard problems, in computational complexity theory Hard problem of consciousness...

The symbol grounding problem is a concept in the fields of artificial intelligence, cognitive science, philosophy of mind, and semantics. It addresses...

Unsolved problem in mathematics For even numbers, divide by 2; For odd numbers, multiply by 3 and add 1. With enough repetition, do all positive integers...

computational problems according to their resource usage, and explores the relationships between these classifications. A computational problem is a task...

In cryptography, the RSA problem summarizes the task of performing an RSA private-key operation given only the public key. The RSA algorithm raises a...

"The Problem with Popplers" is the fifteenth episode in the second season of the American animated television series Futurama, and the 28th episode of...

actions. The problem divides into several distinct sub-problems, including the problem of causal exclusion, the problem of anomalism, and the problem of externalism...

In video game development, the door problem is an analogy about game design that summarizes the contrast between the perceived simplicity of implementing...

In theoretical physics, the μ problem is a problem of supersymmetric theories, concerned with understanding the parameters of the theory. The supersymmetric...

The Alma Problem is an issue of concern to certain musicologists, historians and biographers who deal with the lives and works of Gustav Mahler and his...

More unsolved problems in mathematics In mathematics, the Oberwolfach problem is an open problem that may be formulated either as a problem of scheduling...

In game theory, the Waldegrave problem is a problem first described in the second edition of Pierre Raymond de Montmort`s Essay d'analyse sur les jeux...

A racetrack problem is a specific instance of a type of race condition. A racetrack problem is a flaw in a system or process whereby the output and/or...

In Euclidean plane geometry, the problem of Apollonius (also called Apollonius's problem or the Apollonian problem) is to construct circles that are tangent...

A bankruptcy problem, also called a claims problem, is a problem of distributing a homogeneous divisible good (such as money) among people with different...

In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following...

consequence of this type is the Y2K problem, but many other milestone dates or times exist that have caused or will cause problems depending on various programming...

In graph algorithms, the widest path problem is the problem of finding a path between two designated vertices in a weighted graph, maximizing the weight...

In fluid dynamics, Rayleigh problem also known as Stokes first problem is a problem of determining the flow created by a sudden movement of an infinitely...

Unsolved problem in mathematics Which finite groups are BI-groups? More unsolved problems in mathematics Babai's problem is a problem in algebraic graph...

Hot 100 and Hot Country Songs charts. His fourth studio album, I'm the Problem (2025), debuted at number one on the Billboard 200 and produced nine top-ten...

The Ramsey problem, or Ramsey pricing, or Ramsey–Boiteux pricing, is a second-best policy problem concerning what prices a public monopoly should charge...

In computer science, the predecessor problem involves maintaining a set of items to, given an element, efficiently query which element precedes or succeeds...

collision problem is an important theoretical problem in complexity theory, quantum computing, and computational mathematics. The collision problem most often...

In functional analysis, a branch of mathematics, the distortion problem is to determine by how much one can distort the unit sphere in a given Banach...

Alhazen's problem is a mathematical problem in optics concerning reflection in a spherical mirror. It asks for the point in the mirror where one given...

Stokes problem also known as Stokes second problem or sometimes referred to as Stokes boundary layer or Oscillating boundary layer is a problem of determining...

Thinkin' Problem is the second studio album by American country music artist David Ball. It was released in 1994 (see 1994 in country music) on Warner...

"The labor problem" is the economics term widely used toward the turn of the 20th century with various applications. It has been defined in many ways...

In combinatorial mathematics, the ménage problem or problème des ménages asks for the number of different ways in which it is possible to seat a set of...

Problem of Socrates may refer to: The Socratic problem, how to reconstruct the life of Socrates based on limited historical evidence The Problem of Socrates...

Qadiyani Problem (Urdu: قادیانی مسئلہ, romanized: Qadiyānī Masaʾla) is a 1953 book written by Pakistani scholar Abul A'la Mawdudi. "Qadiyani" is a slur...

The Negro problem is a sociological concept representing the economic and social conditions that blacks encountered in the Southern United States after...

In physics, the n-body problem is the problem of predicting the individual motions of a group of celestial objects interacting with each other gravitationally...

"The Final Problem" is the third episode of the fourth series of the British television series Sherlock, and the thirteenth episode overall. The episode...

computer science, the Boolean satisfiability problem (sometimes called propositional satisfiability problem and abbreviated SATISFIABILITY, SAT or B-SAT)...

The Japanese Problem, also referred to as the Japanese Menace or the Japanese Conspiracy, was the name given to racial tensions in Hawaii between the...

Look up three body problem in Wiktionary, the free dictionary. The three-body problem is a trajectory problem in physics. It may also refer to: Euler's...

and particularly homology theory, Steenrod's Problem (named after mathematician Norman Steenrod) is a problem concerning the realisation of homology classes...

Unsolved problem in mathematics Can unknots be recognized in polynomial time? More unsolved problems in mathematics In mathematics, the unknotting problem is...

following is a list of notable unsolved problems grouped into broad areas of physics. Some of the major unsolved problems in physics are theoretical, meaning...

The thundering herd problem is a performance-degrading phenomenon in computer science and computer networking that occurs when a large number of processes...

The Problem with Me is the second album by American indie rock band Seam. It was released in 1993 through Touch and Go Records. Magnet wrote: "Nine blissfully...

In operations research, the glove problem (also known as the condom problem) is an optimization problem used as an example that the cheapest capital cost...

The change-making problem addresses the question of finding the minimum number of coins (of certain denominations) that add up to a given amount of money...

In geometry, Fagnano's problem is an optimization problem that was first stated by Giovanni Fagnano in 1775: For a given acute triangle determine the inscribed...

The Compliance problem is a problem in contractarian ethics. It states that it is in the individuals' best interest to agree to contract, but not to comply...

The Moral Problem is a 1994 book by Michael Andrew Smith, in which the author tries to provide a defense of moral realism. It is Smith’s most influential...

In mathematics, the Cousin problems are two questions in several complex variables, concerning the existence of meromorphic functions that are specified...

distinctness problem or element uniqueness problem is the problem of determining whether all the elements of a list are distinct. It is a well studied problem in...

In mathematics, the Ruziewicz problem (sometimes Banach–Ruziewicz problem) in measure theory asks whether the usual Lebesgue measure on the n-sphere is...

Multiple comparisons, multiplicity or multiple testing problem occurs when many statistical tests are performed on the same dataset. Each test has its...

probability of meeting? Examples of this class of problems are known as rendezvous problems. These problems were first introduced informally by Steve Alpern...

The Problem with People is a 2023 Irish-set buddy comedy film co-written, produced by and starring Paul Reiser. It is directed by Chris Cottam and is...

typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of research in...

The mind–body problem is a philosophical problem concerning the relationship between thought and consciousness in the human mind and body. It addresses...

In mathematics, the Gauss class number problem (for imaginary quadratic fields), as usually understood, is to provide for each n ≥ 1 {\displaystyle n\geq...

Juan Irming (born December 14, 1974), also known as Amplitude Problem, is a Swedish-American musician and producer currently based in Los Angeles. While...

In computer science, the funarg problem (function argument problem) refers to the difficulty in implementing first-class functions (functions as first-class...

know your new address." Unable to focus on research problems, Feynman began tackling physics problems, not for utility, but for self-satisfaction. One of...

The problem play is a form of drama that emerged during the 19th century as part of the wider movement of realism in the arts, especially following the...

In mathematics, a Dirichlet problem asks for a function which solves a specified partial differential equation (PDE) in the interior of a given region...

Smale's problems is a list of eighteen unsolved problems in mathematics proposed by Steve Smale in 1998 and republished in 1999. Smale composed this list...

Counting problem may refer to: Enumeration Combinatorial enumeration Counting problem (complexity) This disambiguation page lists articles associated with...

logical formulae. One can also consider the coloring problem on surfaces other than the plane. The problem on the sphere or cylinder is equivalent to that...

a Kakeya needle set. Much of the research in this area has studied the problem of how small such sets can be, first asked by Sōichi Kakeya in 1917. Abram...

In mathematics, the pyjama problem asks whether the plane can be covered by a finite number of rotated copies of a repeating pattern of stripes ("pyjama...

The indeterminacy problem is posed as a kind of paradox in the study of the sociology and history of science. It is often used as an argument against...

predation problem or predation argument concerns whether the harms experienced by animals through predation should be treated as a moral problem, and whether...

assessment and treatment of mental health problems, it is also directed towards understanding and solving problems in several spheres of human activity. By...

The 100,000-year problem (also 100 ky problem or 100 ka problem) of the Milankovitch theory of orbital forcing refers to a discrepancy between the reconstructed...

In computational complexity theory, a nonelementary problem is a problem that is not a member of the class ELEMENTARY. As a class it is sometimes denoted...

The Dog Problem is a 2006 comedy film written and directed by Scott Caan. Along with Caan, the film stars Giovanni Ribisi, Lynn Collins, Kevin Corrigan...

that. Covering problems are minimization problems and usually integer linear programs, whose dual problems are called packing problems. The most prominent...

used for problem finding in literature including problem discovery, problem formulation, problem identification, problem construction, and problem posing...

list of 23 problems in mathematics. The original problem was posed as the Problem of the topology of algebraic curves and surfaces (Problem der Topologie...

The problem of points, also called the problem of division of the stakes, is a classical problem in probability theory. One of the famous problems that...

A Riemann problem, named after Bernhard Riemann, is a specific initial value problem composed of a conservation equation together with piecewise constant...

problem in physics Why is the vacuum energy density much smaller than a zero-point energy suggested by quantum field theory? More unsolved problems in...

hold-up problem is central to the theory of incomplete contracts, and shows the difficulty in writing complete contracts. A hold-up problem arises when...

The Problem is a one-act play by A. R. Gurney. It was originally performed in 1968 in Boston by a theatre group Gurney helped to organize called "The...

The keyhole problem, in the context of astronomy, refers to the difficulty that azimuth-elevation type telescopes or antenna gimbal systems encounter...

Aladdin's Problem (German: Aladins Problem) is a 1983 novella by the German writer Ernst Jünger. It tells the story of an East German former army officer...

Our Problem is the second album by English sludge metal band Iron Monkey, released in 1998. The album caused controversy, mainly due to its artwork,[why...

I'm the Problem is the fourth studio album by American country music singer Morgan Wallen. It was released through Big Loud, Republic, and Mercury Records...

failed. The term takes its name from an allegory, the "Byzantine generals problem", developed to describe a situation in which, to avoid catastrophic failure...

In computational mathematics, a word problem is the problem of deciding whether two given expressions are equivalent with respect to a set of rewriting...

In computational complexity theory, a transcomputational problem is a problem that requires processing of more than 1093 bits of information. Any number...

The sunrise problem can be expressed as follows: "What is the probability that the sun will rise tomorrow?" The sunrise problem illustrates the difficulty...

Bloom's 2 sigma problem refers to the educational phenomenon that the average student tutored one-to-one using mastery learning techniques performed two...

The belt problem is a mathematics problem which requires finding the length of a crossed belt that connects two circular pulleys with radius r1 and r2...

The Signorini problem is an elastostatics problem in linear elasticity: it consists in finding the elastic equilibrium configuration of an anisotropic...

In geometry, the Tammes problem is a problem in packing a given number of points on the surface of a sphere such that the minimum distance between points...

I'm the Problem may refer to: I'm the Problem (K. Michelle album), 2023 album by K. Michelle I'm the Problem (Morgan Wallen album), 2025 album by Morgan...

A spectrum problem arises when considering either of two related concepts in mathematical logic: Spectrum of a theory Spectrum of a sentence This disambiguation...

In mathematics, the mice problem is a continuous pursuit–evasion problem in which a number of mice (or insects, dogs, missiles, etc.) are considered to...

In trigonometry, Hansen's problem is a problem in planar surveying, named after the astronomer Peter Andreas Hansen (1795–1874), who worked on the geodetic...

"Somebody's Problem" is a song recorded by American country music singer Morgan Wallen. It was released on November 20, 2020, from his second studio album...

This is a list of some of the major problems in philosophy. A counterfactual statement is a conditional statement with a false antecedent. For example...

the two-body problem is used to calculate and predict the motion of two massive bodies that are orbiting each other in space. The problem assumes that...

No Problem is a 2010 Indian Hindi-language action-comedy film directed by Anees Bazmee and produced by Rajat Rawail and Anil Kapoor. The film stars Kapoor...

"The Mouse Problem" is a Monty Python sketch, first aired on 12 October 1969 as part of "Sex and Violence", the second episode of the first series of...

star and set unions over finite words. This is a surprisingly difficult problem. As simple as the regular expressions are, there is no method to systematically...

The Only Problem is a 1984 novel by Scottish author Muriel Spark, published by The Bodley Head in the UK and by Putnam in the US. Set near St Die in Vosges...

In wireless networks, the exposed node problem occurs when a node is prevented from sending packets to other nodes because of co-channel interference...

"The Problem of Social Cost" (1960) is a law review article by Ronald Coase, then a faculty member at the University of Virginia, dealing with the economic...

In mathematics, Wetzel's problem concerns bounds on the cardinality of a set of analytic functions that, for each of their arguments, take on few distinct...

The principal–agent problem (often abbreviated agency problem) refers to the conflict in interests and priorities that arises when one person or entity...

The Negro Problem is a collection of seven essays by prominent Black American writers, such as W. E. B. Du Bois and Paul Laurence Dunbar, edited by Booker...

obstacle problem is a classic motivating example in the mathematical study of variational inequalities and free boundary problems. The problem is to find...

"The Problem Solvers" is the fifth episode of the fourth season of the American television comedy series 30 Rock, and the 63rd overall episode of the...

Mr. No Problem (Chinese: 不成问题的问题), is a 2016 Chinese black-and-white film directed by screenwriter Mei Feng in his directorial debut, based on a 1943...

mathematically rigorous instructions, typically used to solve a class of specific problems or to perform a computation. Algorithms are used as specifications for...

software testing employs principles and mechanisms that might recognize a problem. Examples of oracles include specifications, contracts, comparable products...

Problem analysis or the problem frames approach is an approach to software requirements analysis. It was developed by British software consultant Michael...

combinatorial group theory, the word problem for a finitely generated group G {\displaystyle G} is the algorithmic problem of deciding whether two words in...

philosophy and AI (especially, knowledge-based systems), the qualification problem is concerned with the impossibility of listing all the preconditions required...

computational complexity theory and computability theory, a search problem is a computational problem of finding an admissible answer for a given input value, provided...

In computability theory, an undecidable problem is a decision problem for which an effective method (algorithm) to derive the correct answer does not...

The carpenter's rule problem is a discrete geometry problem, which can be stated in the following manner: Can a simple planar polygon be moved continuously...

theoretical computer science and formal language theory, the equivalence problem is the question of determining, given two representations of formal languages...

The circulation problem and its variants are a generalisation of network flow problems, with the added constraint of a lower bound on edge flows, and with...

Hilbert's eighteenth problem is one of the 23 problems set out in a celebrated list compiled in 1900 by mathematician David Hilbert. It asks three separate...

In combinatorial number theory, the Erdős–Graham problem is the problem of proving that, if the set { 2 , 3 , 4 , … } {\displaystyle \{2,3,4,\dots \}}...

In graph theory, the shortest path problem is the problem of finding a path between two vertices (or nodes) in a graph such that the sum of the weights...

recognizing the problem. Compulsive gamblers often deny they have a problem or need treatment. The most common and successful treatment plans for problem gamblers...

In computational complexity theory, a promise problem is a generalization of a decision problem where the input is promised to belong to a particular...

tunnel problem is a philosophical thought experiment first introduced by Jason Millar in 2014. It is a variation on the classic trolley problem designed...

Transshipment problems form a subgroup of transportation problems, where transshipment is allowed. In transshipment, transportation may or must go through...

The Goursat problem (also called the Darboux problem) is a boundary value problem for a second-order hyperbolic partial differential equation (PDE) in...

problems in mathematics In mathematics, the Skolem problem (also called the Skolem-Pisot problem) is the problem of determining whether the values of a constant-recursive...

In rocketry, the Goddard problem is to optimize the peak altitude of a rocket, ascending vertically, and taking into account atmospheric drag and the...

The Rabi problem concerns the response of an atom to an applied harmonic electric field, with an applied frequency very close to the atom's natural frequency...

Parsons problems are a form of an objective assessment in which respondents are asked to choose from a selection of code fragments, some subset of which...

A problem set, sometimes shortened as pset, is a teaching tool used by many universities. Most courses in physics, math, engineering, chemistry, and computer...

The Still the Problem Tour is the fourth headlining concert tour by American country music singer Morgan Wallen, launched in support of his fourth studio...

In discrete geometry, the original orchard-planting problem (or the tree-planting problem) asks for the maximum number of 3-point lines attainable by...

The Girl Problem is a 1919 American drama film directed by Kenneth S. Webb, and starring Corinne Griffith. It is considered a lost film. Corinne Griffith...

duration for satisfactory sexual activity. It is the most common sexual problem in males and can cause psychological distress due to its impact on self-image...

to all. — Garrett Hardin, The Tragedy of the Commons Hardin discussed problems that cannot be solved by technical means, as distinct from those with solutions...

The Thirteen Problems is a short story collection by British writer Agatha Christie, first published in the UK by Collins Crime Club on 18 June 1932 and...

graph is a set of vertices C, such that no edges leave C. The closure problem is the task of finding the maximum-weight or minimum-weight closure in...

suggestion of building something new for the community, like a bike shed, problems arise when everyone involved argues about the details. This is a metaphor...

Hilbert's thirteenth problem is one of the 23 Hilbert problems set out in a celebrated list compiled in 1900 by David Hilbert. It entails proving whether...

A Bongard problem is a kind of puzzle invented by the Soviet computer scientist Mikhail Bongard (1924–1971), probably in the mid-1960s. They were published...

open problem. The alignment problem has many parallels with the principal–agent problem in organizational economics. In a principal–agent problem, a principal...

In abstract algebra, the conjugacy problem for a group G with a given presentation is the decision problem of determining, given two words x and y in...

problem. Swigert and Lovell reporting the incident on April 13, 1970 (2:59) Problems playing this file? See media help. "Houston, we have a problem"...

philosophy stated a version of the problem in his notorious master argument. The problem was later discussed by Leibniz. The problem can be expressed as follows...

The Great Problem is a 1916 American silent drama film directed by Rex Ingram and starring Violet Mersereau, Dan Hanlon and Lionel Adams. It marked Ingram's...

theory, NP-complete problems are the hardest of the problems to which solutions can be verified quickly. Somewhat more precisely, a problem is NP-complete...

Problem Girls is a 1953 American mystery film directed by E. A. Dupont and starring Helen Walker, Ross Elliott and Susan Morrow. The film is set in a...

mathematics, the Kurosh problem is one general problem, and several more special questions, in ring theory. The general problem is known to have a negative...

In operations research, the cutting-stock problem is the problem of cutting standard-sized pieces of stock material, such as paper rolls or sheet metal...

uniform gravitational field to a given end point in the shortest time. The problem was posed by Johann Bernoulli in 1696 and famously solved in one night...

Hilbert's seventeenth problem is one of the 23 of Hilbert's problems set out in a celebrated list compiled in 1900 by David Hilbert. It concerns the expression...

The Robbins problem may mean either of: the Robbins conjecture that all Robbins algebras are Boolean algebras. Robbins' problem of optimal stopping in...

The separability problem is a concept from the field of social choice theory that describes the situation where two or more issues up for vote on a ballot...

In computer science, the matrix mortality problem (or mortal matrix problem) is a decision problem that asks, given a set of size m of n×n matrices with...

Independent newspaper, beginning with The International Jew: The World's Problem, published on May 22, 1920. At the beginning of 1920, Ford's personal newspaper...

The Shandong Problem or Shandong Question (simplified Chinese: 山东问题; traditional Chinese: 山東問題; pinyin: Shāndōng wèntí; Japanese: 山東問題, romanized: Santō...

Unsolved problem in computer science Can the graph isomorphism problem be solved in polynomial time? More unsolved problems in computer science The graph...

A Problem with Fear, or Laurie's Anxiety Confronting the Escalator is a 2003 absurdist comedy film by Canadian film-maker Gary Burns. Laurie Harding (Paulo...

Unsolved problem in physics What is dark matter? How was it generated? More unsolved problems in physics In astronomy and cosmology, dark matter is an...

applied at the boundary of the domain. It is possible to describe the problem using other boundary conditions: a Dirichlet boundary condition specifies...

double-bind problem: An information problem: impacts cannot be easily predicted until the technology is extensively developed and widely used. A power problem: control...

Constraint satisfaction problems (CSPs) are mathematical questions defined as a set of objects whose state must satisfy a number of constraints or limitations...

graphs are non-strict unit distance graphs. A problem posed by Paul Erdős known as the unit distance problem asks for the maximum possible number of unit-distance...

The subset sum problem (SSP) is a decision problem in computer science. In its most general formulation, there is a multiset S {\displaystyle S} of integers...

mathematics, the moving sofa problem or sofa problem is a two-dimensional idealization of real-life furniture-moving problems and asks for the rigid two-dimensional...

Archimedes's cattle problem (or the problema bovinum or problema Archimedis) is a problem in Diophantine analysis, the study of polynomial equations with...

science fiction television series adapted from the novel The Three-Body Problem by Liu Cixin, which was first published in serialized form in 2006. The...

for instance, that the entities in the collection touch one another. The problem of material constitution asks whether or in what sense a whole should be...

mathematical conjectures of the 20th century. Erdős pursued and proposed problems in discrete mathematics, graph theory, number theory, mathematical analysis...

Illumination problems are a class of mathematical problems that study the illumination of rooms with mirrored walls by point light sources. The original...

impossible to have sexual pleasure through stimulation of the penis. Since the problems are caused by permanent nerve damage, preventive treatment through good...

Reachability is a fundamental problem which can be formulated as follows: Given a computational system with a set of allowed rules or transformations...

The standard problem of evil found in monotheistic religions does not apply to almost all traditions of Hinduism because it does not posit an omniscient...

In machine learning, the vanishing gradient problem is the problem of greatly diverging gradient magnitudes between earlier and later layers encountered...

In geometry, Lemoine's problem is a straightedge and compass construction problem posed by French mathematician Émile Lemoine in 1868: Given one vertex...

In economics and econometrics, the parameter identification problem arises when the value of one or more parameters in an economic model cannot be determined...

established by reference to the blank tape halting problem. The blank tape halting problem is the problem of deciding for any Turing machine whether or not...

The Problem with Everything: My Journey Through the New Culture Wars is a 2019 book on culture wars by Meghan Daum in which the author criticizes fourth-wave...

Unsolved problem in mathematics Does every Jordan curve have an inscribed square? More unsolved problems in mathematics The inscribed square problem, also...

isoperimetric problem is to determine a plane figure of the largest possible area whose boundary has a specified length. The closely related Dido's problem [it]...

problem, ( ω 2 m + ω c + k ) x = 0. {\displaystyle \left(\omega ^{2}m+\omega c+k\right)x=0.} This can be reduced to a generalized eigenvalue problem by...

The Voorman Problem is a 2011 British short film directed by Mark Gill, who also co-wrote the screenplay and edited the film with producer Baldwin Li...

reliability. Related terms such as PEBKAC ("problem exists between keyboard and chair"), PEBMAC ("problem exists between monitor and chair"), identity...

founded on problems that are believed to be intractable. The higher residuosity problem (also called the nth-residuosity problem) is one such problem. This...

a counting problem is a type of computational problem that is obtained by strengthening a decision problem. For example, the SAT problem asks: "Given...

models such as internal rate of return and net present value. To determine problems with a business's liquidity. Being profitable does not necessarily mean...

The double empathy problem is a psychological and sociological theory first coined in 2012 by Damian Milton, an autistic autism researcher. This theory...

set must be found. They can include constrained problems and multimodal problems. An optimization problem can be represented in the following way: Given:...

Identity problem may refer to: An additional psychiatric condition from DSM-IV, code 313.82. See also: Identity disorder; A constant problem in mathematics...

The third of Hilbert's problems presented in 1900 was the first to be solved. The problem asks the following: Given any two polyhedra of equal volume,...

robotics, the exploration problem deals with the use of a robot to maximize the knowledge over a particular area. The exploration problem arises in robotic mapping...

condition known as anemia. This can result in: Feeling tired or weak Memory problems Difficulty concentrating Dizziness Low blood pressure Normally proteins...

The quadratic knapsack problem (QKP), first introduced in 19th century, is an extension of knapsack problem that allows for quadratic terms in the objective...

statics, the block-stacking problem (sometimes known as The Leaning Tower of Lire (Johnson 1955), also the book-stacking problem, harmonic staircase, or a...

The "Mexican Problem" is a concept that originally developed somewhere in the late 19th century, early 20th century due to different influential American...

gallery problem or museum problem is a well-studied visibility problem in computational geometry. It originates from the following real-world problem: "In...

The wheat and chessboard problem (sometimes expressed as the rice and chessboard problem) is a mathematical problem expressed in textual form as: If a...

Communication problem or communication issue (or communications problem or communications issue) may refer to: Communication disorder, a speech and language...

In geometry, the paper bag problem or teabag problem is to calculate the maximum possible inflated volume of an initially flat sealed rectangular bag...

The Problem of the Media: U.S. Communication Politics in the 21st Century is a book by Robert W. McChesney first published in 2004 by Monthly Review Press...

correspondence problem, as the basis for calculating optical flow and stereo matching, is a fundamental problem in image processing. It refers to the problem in computer...

its great growth and distinct from other fields, having its own kind of problems. The term "graph" was introduced by James Joseph Sylvester in a paper published...

Björling problem is the problem of finding a minimal surface passing through a given curve with prescribed normal (or tangent planes). The problem was posed...

numbers? More unsolved problems in mathematics In number theory, Büchi's problem, also known as the n squares' problem, is an open problem named after the Swiss...

Unsolved problem in mathematics Do all non-trivial zeros of the Riemann zeta function have a real part equal to one half? More unsolved problems in mathematics...

The bin packing problem is an optimization problem, in which items of different sizes must be packed into a finite number of bins or containers, each of...

In computational geometry, Hopcroft's problem is the problem of testing, for a given system of points and lines in the Euclidean plane, whether at least...

puzzle came into my mind and I sketched it for him. Here it is. [...] The problem is to draw straight lines to connect these eggs in the smallest possible...

theory and transfinite numbers. In 1900, he presented a collection of problems that set a course for mathematical research of the 20th century. Hilbert...

Problem Child 2 is a 1991 American dark comedy film and a sequel to the 1990 film Problem Child. The film stars John Ritter, Michael Oliver, Laraine Newman...

{\displaystyle {\mathcal {S}}} . The exact cover problem to find an exact cover is a kind of constraint satisfaction problem. The elements of S {\displaystyle {\mathcal...

The Problem Solvers Caucus is a group in the United States House of Representatives that has included members equally divided between Democrats and Republicans...

Irish Problem or Irish problem may refer to: Irish Question, late-19th-/early-20th–century UK political debate about the constitutional status of Ireland...

Theory of Forms (or Ideas), which aims to solve what is now known as the problem of universals. He was influenced by the pre-Socratic thinkers Pythagoras...

In mathematics, the quadratic eigenvalue problem (QEP), is to find scalar eigenvalues λ {\displaystyle \lambda } , left eigenvectors y {\displaystyle...

In international finance, the redundancy problem, also known as the n − 1 problem, is a problem of inequality of the number of policy instruments and the...

"Problem" is a song by American singer-songwriter Ariana Grande, featuring Australian rapper Iggy Azalea. It was released by Republic Records on April...

The three prisoners problem appeared in Martin Gardner's "Mathematical Games" column in Scientific American in 1959. It is mathematically equivalent to...

In Shakespeare studies, the problem plays are plays written by William Shakespeare that are characterised by their complex and ambiguous tone, which shifts...

In neuroscience and motor control, the degrees of freedom problem or motor equivalence problem states that there are multiple ways for humans or animals...

mind–body problem is a paradigmatic issue in philosophy of mind, although a number of other issues are addressed, such as the hard problem of consciousness...

Unsolved problem in mathematics Is there a dense set of points in the plane at rational distances from each other? More unsolved problems in mathematics...

the actual message from what was originally intended. A closely related problem is whether acts of deliberate deception constitute communication. According...

Ruichuan, prioritized the Marxist formulation of the population problem. They saw the problem as an "imbalance between economic and demographic growth", and...

Congress of Mathematicians, Edmund Landau listed four basic problems about prime numbers. These problems were characterised in his speech as "unattackable at...

In computer science, the maximum sum subarray problem, also known as the maximum segment sum problem, is the task of finding a contiguous subarray with...

In mathematics, the Kadison–Singer problem, posed in 1959, was a problem in functional analysis about whether certain extensions of certain linear functionals...

the Morse and Kimball (1951)'s book. The problem was termed the "Christmas tree problem" and "newsboy problem" in the 1960s and 1970s, and beginning in...

computational complexity theory, a computational problem H is called NP-hard if, for every problem L which can be solved in non-deterministic polynomial-time...

optimization problems may be viewed from either of two perspectives, the primal problem or the dual problem. If the primal is a minimization problem then the...

such questions as the mind–body problem, the problem of other minds, the symbol grounding problem, and the hard problem of consciousness. Searle identified...

responses are broken down and transmitted in small packets to almost solve the problem of the HOLB (head-of-line blocking); a push capability to allow server...

In mathematics, Hilbert's fourteenth problem, that is, number 14 of Hilbert's problems proposed in 1900, asks whether certain algebras are finitely generated...

Moser's circle problem asks how many regions a circle can be divided into by choosing n {\displaystyle n} points along the circumference of the circle...

In probability and statistics, an urn problem is an idealized mental exercise in which some objects of real interest (such as atoms, people, cars, etc...

In the field of epistemology, the problem of the criterion is an issue regarding the starting point of knowledge. This is a separate and more fundamental...

between observed values and the values predicted by the model. Least squares problems fall into two categories: linear or ordinary least squares and nonlinear...

This problem was given in India by the mathematician Brahmagupta in 628 AD in his treatise Brahma Sputa Siddhanta: Solve Pell's equation x 2 − 92 y 2...

Build a Problem is the debut studio album by the English singer-songwriter dodie. Previously, dodie released three extended plays (EPs): Intertwined (2016)...

Unsolved problem in statistics Is an approximation analogous to Fisher's argument necessary to solve the Behrens–Fisher problem? More unsolved problems in statistics...

In mathematics, Hilbert's fourth problem in the 1900 list of Hilbert's problems is a foundational question in geometry. In one statement derived from the...

"I'm the Problem" is a song by American country music singer Morgan Wallen. It was released on January 31, 2025, through Big Loud, Republic, and Mercury...

chess problems explains commonly used terms in chess problems, in alphabetical order. For a list of: unorthodox pieces used in chess problems, see Fairy...

Taniyama's problems are a set of 36 mathematical problems posed by Japanese mathematician Yutaka Taniyama in 1955. The problems primarily focused on algebraic...

Unsolved problem in computer science P   = ?   N P {\displaystyle {\mathsf {P\ {\overset {?}{=}}\ NP}}} More unsolved problems in computer science In...

The Sleeping Beauty problem, also known as the Sleeping Beauty paradox, is a puzzle in decision theory in which an ideally rational epistemic agent is...

Iran (is not the problem) or Iran is not the problem (2008) Iranian documentary film directed, produced and written by Aaron Newman. The 79-minute feature...

The problem of the Nile is a mathematical problem related to equal partitions of measures. The problem was first presented by Ronald Fisher in 1936–1938...

Rationales for not believing in deities include the lack of evidence, the problem of evil, the argument from inconsistent revelations, the rejection of concepts...

A problem picture is a genre of art popular in late Victorian painting, characterised by the deliberately ambiguous depiction of a key moment in a narrative...

embedding problem, formulated by Alain Connes in the 1970s, is a major problem in von Neumann algebra theory. During that time, the problem was reformulated...

In economics, the free-rider problem is a type of market failure that occurs when those who benefit from resources, public goods and common pool resources...

operations research, the Fermat–Weber problem is either of two closely related problems: Geometric median, the problem of finding a point minimizing the sum...

The Three-Body Problem in Minecraft (Chinese: 我的三体; pinyin: Wǒdè Sāntǐ; lit. 'My Three-Body') is a Chinese network animated series based on the science...

The leap year problem (also known as the leap year bug or the leap day bug) is a problem for both digital (computer-related) and analog documentation and...

Moriarty first appears in the short story "The Adventure of the Final Problem", first published in The Strand Magazine in December 1893. He also plays...

have been critical of these laws for being punitive and criminalizing the problem they are meant to address. Many institutions have worked to provide options...

Life is a Problem is an album by Marah, released in 2010. Muskie Moon Valley Farm Song Within the Spirit Sagging Life Is a Problem High Water Put Em In...

Unsolved problem in mathematics Given positive integers d and k, what is the maximum possible number of vertices in a finite simple graph of maximum degree...

Unsolved problem in mathematics What is the smallest real number r ( n ) {\displaystyle r(n)} such that n {\displaystyle n} disks of radius r ( n ) {\displaystyle...

The Sitnikov problem is a restricted version of the three-body problem named after Russian mathematician Kirill Alexandrovitch Sitnikov that attempts...

whether the problem of the Jewish question had more to do with the problems posed by the German Jews' opponents or vice versa: the problem posed by the...

Broadway, with roles including adult Ben Hanscom in It (1990), Problem Child (1990), Problem Child 2 (1991), a dramatic turn in Sling Blade (1996), and Bad...

In Indo-European studies, the salmon problem or salmon argument (also known by the German term Lachsargument) is an outdated argument in favour of placing...

Collision detection is the computational problem of detecting an intersection of two or more objects in virtual space. More precisely, it deals with the...

"Everybody's Problem" is the second single by English alternative rock band Pulp, released in 1983. "Everybody's Problem"/"There Was" was a follow-up...

Douglas Hofstadter suggested that people often find problems such as the prisoner's dilemma problem easier to understand when it is illustrated in the...

Hilbert's fifteenth problem is one of the 23 Hilbert problems set out in a list compiled in 1900 by David Hilbert. The problem is to put Schubert's enumerative...

tied to a time scale that is the same at both locations, so the longitude problem reduces to finding a way to coordinate clocks at distant places. Early...

Problem Patterns are a Northern Irish punk rock band formed in Belfast in 2018 by Beverley Boal, Bethany Crooks, Alanah Smith, and Ciara King. They all...

when an organism gets too few or too many nutrients, resulting in health problems. Specifically, it is a deficiency, excess, or imbalance of energy, protein...

phenomena as dispositions to engage in observable behavior. The mind–body problem is the challenge of explaining the relation between matter and mind. Traditionally...

offered monetary rewards for solving them. The unsolved problems are commonly known as Erdős problems. The Erdős–Gyárfás conjecture on cycles with lengths...

A Small Problem is a British sitcom originally broadcast on BBC2 in 1987. Intended as a satire on prejudice, and starring Christopher Ryan who had previously...

Merton's portfolio problem is a problem in continuous-time finance and in particular intertemporal portfolio choice. An investor must choose how much to...

In computer science, the dining philosophers problem is an example problem often used in concurrent algorithm design to illustrate synchronization issues...

In computer programming, a semipredicate problem occurs when a subroutine intended to return a useful value can fail, but the signalling of failure uses...

graph theory and theoretical computer science, the longest path problem is the problem of finding a simple path of maximum length in a given graph. A path...

, some boundary value problems). There are also studies about using FEM to solve high-dimensional problems. To solve a problem, FEM subdivides a large...

and persistence of various infinities in perturbative calculations, a problem only resolved in the 1950s with the invention of the renormalization procedure...

In mathematics, the Simon problems (or Simon's problems) are a series of fifteen questions posed in the year 2000 by Barry Simon, an American mathematical...

"The Goldfish Problem" is the first episode of the American television miniseries Moon Knight, based on Marvel Comics featuring the character Moon Knight...

The Separate Problem is a 1979 book by Judy Jolley Mohraz. It is a collection of case studies of Black education in the Northern United States from 1900...

computation concerns abstract models of computation and general classes of problems that can be solved using them. The fields of cryptography and computer...

The Waring–Goldbach problem is a problem in additive number theory, concerning the representation of integers as sums of powers of prime numbers. It is...

sensation and coordination, function in an integrated fashion. Many common problems in the nervous system and musculoskeletal system will show up in the way...

hidden subgroup problem (HSP) is a topic of research in mathematics and theoretical computer science. It is a generalization of problems including factoring...

Formulating the problem as a Markov decision process assumes the agent directly observes the current environmental state; in this case, the problem is said to...

drivers or malfunctioning hardware, such as faulty memory, power supply problems, overheating of components, hardware running beyond its specification limits...

evaluation of computer algorithms for solving constraint satisfaction problems. More recently, it has been used as a benchmark for logical reasoning capabilities...

principle Human overpopulation German tank problem Global catastrophic risk Doomsday event Fermi paradox Measure problem (cosmology) Mediocrity principle Quantum...

Bill Joy, one of the founders of Sun Microsystems, discussed some of the problems with pursuing this technology in his now-famous 2000 article in Wired magazine...

"America Has a Problem" is a song by American singer Beyoncé, taken from her seventh studio album, Renaissance (2022), which was released on July 29,...

problem is the last of Hilbert problems set out in a celebrated list compiled in 1900 by David Hilbert. In contrast with Hilbert's other 22 problems,...

The set cover problem is a classical question in combinatorics, computer science, operations research, and complexity theory. Given a set of elements...

The bridge and torch problem (also known as The Midnight Train and Dangerous crossing) is a logic puzzle that deals with four people, a bridge and a torch...

has often been cited as an early quest into the nature versus nurture problem. John Locke's An Essay Concerning Human Understanding (1690) is often cited...

In fluid dynamics, Landau–Levich flow or the Landau–Levich problem describes the flow created by a moving plate which is pulled out of a liquid surface...

Unsolved problem in mathematics Is every finite group the Galois group of a Galois extension of the rational numbers? More unsolved problems in mathematics...

science, the continuous knapsack problem (also known as the fractional knapsack problem) is an algorithmic problem in combinatorial optimization in which...

In mathematics, Riemann–Hilbert problems, named after Bernhard Riemann and David Hilbert, are a class of problems that arise in the study of differential...

The quadratic assignment problem (QAP) is one of the fundamental combinatorial optimization problems in the branch of optimization or operations research...

and machine learning, the multi-armed bandit problem (sometimes called the K- or N-armed bandit problem) is named from imagining a gambler at a row of...

contains three river-crossing problems, including the wolf, goat and cabbage problem and the missionaries and cannibals problem. Well-known river-crossing...

Betweenness is an algorithmic problem in order theory about ordering a collection of items subject to constraints that some items must be placed between...

The unseen species problem in ecology deals with the estimation of the number of species represented in an ecosystem that were not observed by samples...

novel, also known as the social problem (or social protest) novel, is a "work of fiction in which a prevailing social problem, such as gender, race, or class...

numbers are a sequence of natural numbers that occur in various counting problems, often involving recursively defined objects. They are named after Eugène...

Public-key cryptography is based on the intractability of certain mathematical problems. Early public-key systems, such as RSA's 1983 patent, based their security...

writing, or speaking. Different people are affected to different degrees. Problems may include difficulties in spelling words, reading quickly, writing words...

In mathematics, the Gauss circle problem is the problem of determining how many integer lattice points there are in a circle centered at the origin and...

The year 2011 problem or the Y1C problem (simplified Chinese: 民国百年虫; traditional Chinese: 民國百年蟲; pinyin: Mínguó bǎinián chóng; lit. 'Minguo Year 100 bug')...

Unsolved problem in mathematics What is the lowest n such that not every bounded subset E of the space R n {\displaystyle \mathbb {R} ^{n}} can be partitioned...