Open Access
2009 Extensions of Weyl and Schur functors
Marcin Chałupnik
Homology Homotopy Appl. 11(2): 27-48 (2009).

Abstract

We study Ext-groups in the category of strict polynomial functors. The main result is a computation of the Ext-groups between twisted Weyl and Schur functors for a large class of Young diagrams.

Citation

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Marcin Chałupnik. "Extensions of Weyl and Schur functors." Homology Homotopy Appl. 11 (2) 27 - 48, 2009.

Information

Published: 2009
First available in Project Euclid: 1 September 2009

zbMATH: 1179.18008
MathSciNet: MR2529231

Subjects:
Primary: 18G15 , 20G10 , 20G15

Keywords: Ext-groups , Schur functor

Rights: Copyright © 2009 International Press of Boston

Vol.11 • No. 2 • 2009
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