Theodor Schönemann

Theodor Schönemann
Biographie
Naissance
Décès
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Theodor Schönemann, aussi écrit Schoenemann[1] (), est un mathématicien prussien qui a publié plusieurs résultats importants en théorie des nombres, sur les congruences, dans le Journal für die reine und angewandte Mathematik, volumes 17 à 40. Il a en particulier obtenu le lemme de Hensel avant Hensel, la loi de réciprocité de Scholz avant Scholz, et a formulé le critère d'Eisenstein avant Eisenstein[2]. Il a aussi étudié, sous la forme de polynômes à coefficients entiers modulo à la fois un nombre premier p et un polynôme irréductible (restant irréductible modulo p), ce qu'on reconnait de nos jours comme les corps finis (non nécessairement premiers)[3].

Schönemann fait ses études à Königsberg et Berlin, où il a entre autres comme professeurs Jakob Steiner et Carl Gustav Jakob Jacobi. Il obtient son doctorat en 1842, puis devient professeur de lycée à Brandebourg-sur-la-Havel. Outre les articles mathématiques déjà mentionnés, il a aussi publié, principalement après 1850, des travaux en mécanique et en technique de la physique[Quoi ?].

Bibliographie

Notes et références

  1. (de) Siegmund Günther, « Schoenemann, Theodor », dans Allgemeine Deutsche Biographie (ADB), vol. 32, Leipzig, Duncker & Humblot, , p. 293-294
  2. (en) David A. Cox, « Why Eisenstein proved the Eisenstein criterion and why Schönemann discovered it first », Amer. Math. Month., vol. 118, no 1,‎ , p. 3-31 (lire en ligne) (MAA Writing Award 2012). La phrase mentionnée figure p. 13.
  3. Cox 2011, p. 10.

Liens externes

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