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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Applications des foncteurs strictement polynomiaux / Applications of strict polynomial functors

Pham, Van tuan 11 June 2015 (has links)
Les travaux présentés dans cette thèse concernent l'étude des représentations et la cohomologie des foncteurs strictement polynomiaux d'une ou plusieurs variables. Ces foncteurs d'une variable ont été introduits par Friedlander-Suslin dans leur article fondamental [Eric M. Friedlander and Andrei Suslin. Cohomology of finite group schemes over a field. Invent. Math., 127(2) : 209-270, 1997]. Des variantes à plusieurs variables sont définies dans [Vincent Franjou, Eric M. Friedlander, Alexander Scorichenko, and Andrei Suslin. General linear and functor cohomology over finite fields. Ann. of Math (2), 150(2) : 663-728, 1999], [Vincent Franjou and Eric Friedlander. Cohomology of bifunctors. Proc. Lond. Math. Soc. (3), 97(2) : 514-544, 2008], [Antoine Touzé. Cohomology of classical algebraic groups from the functorial viewpoint. Adv. Math., 225(1) : 33-68, 2010]. Dans une première partie de la thèse (chapitre 2), nous étudions l'influence de la torsion de Frobenius sur les groupes d'extension dans les catégories des foncteurs strictement polynomiaux. [...] / The work presented in this thesis deals with the study of representations ans cohomology of strict polynomial functors. The category P* of strict polynomial functors was introduced by Friedlander and Suslin in thei fouder article [Eric M. Friedlanderand Andrei Suslin. Cohomology of finite group schemes over a field. Invent. Math., 127(2) : 209-270, 1997]. Variants of this category, that is strict polynomial functors with several variables were introduced in [Vincent Franjou, Eric M. Friedlander, Alexander Scorichenko, and Andrei Suslin. General linear and functor cohomology over finite fields. Ann. of Math (2), 150(2) : 663-728, 1999], [Vincent Franjou and Eric Friedlander. Cohomology of bifunctors. Proc. Lond. Math. Soc. (3), 97(2) : 514-544, 2008], [Antoine Touzé. Cohomology of classical algebraic groups from the functorial viewpoint. Adv. Math., 225(1) : 33-68, 2010]. The first part of this thesis (chapter 2) studies the effect of Frobenius twist on the cohomology of strict polynomial functors. [...]

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