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arXiv.org e-Print Archive
Other literature type . Preprint . 2018
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Dualité de Koszul formelle et théorie des représentations des groupes algébriques réductifs en caractéristique positive

Authors: Achar, Pramod N; Riche, Simon;

Dualité de Koszul formelle et théorie des représentations des groupes algébriques réductifs en caractéristique positive

Abstract

In this survey paper, we present the broad outlines of the proof of a character formula for tilting representations of reductive algebraic groups in positive characteristic, obtained partly in collaboration with several other authors. A unifying theme for a number of steps of this proof is the notion of "formal Koszul duality." We explain this notion and discuss some applications. ----- Dans cet article nous pr\'esentons les grandes lignes de la preuve d'une formule de caract\`eres pour les repr\'esentations basculantes des groupes alg\'ebriques r\'eductifs sur un corps de caract\'eristique positive, obtenue partiellement en collaboration avec plusieurs auteurs. Nous unissons les diff\'erentes \'etapes de cette preuve dans la notion de "dualit\'e de Koszul formelle", et en pr\'esentons quelques applications.

Comment: 58 pages, in French

Country
France
Keywords

[MATH.MATH-RT]Mathematics [math]/Representation Theory [math.RT], Mathematics - Representation Theory

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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