The Weyl extension algebra of GL₂(Fp)

Miemietz, Vanessa and Turner, Will (2013) The Weyl extension algebra of GL₂(Fp). Advances in Mathematics, 246. pp. 144-197. ISSN 0001-8708

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Abstract

We compute the Yoneda extension algebra of the collection of Weyl modules for GL2 over an algebraically closed field of characteristic p>0 by developing a theory of generalised Koszul duality for certain 2-functors, one of which controls the rational representation theory of GL2 over such a field.

Item Type:	Article
Uncontrolled Keywords:	extension algebra,weyl modules,gl2,dg algebras
Faculty \ School:	Faculty of Science > School of Mathematics (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Algebra and Combinatorics (former - to 2024) Faculty of Science > Research Groups > Algebra, Logic & Number Theory
Depositing User:	Pure Connector
Date Deposited:	08 Oct 2013 01:58
Last Modified:	07 Nov 2024 12:37
URI:	https://ueaeprints.uea.ac.uk/id/eprint/43594
DOI:	10.1016/j.aim.2013.07.003

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