A homological interpretation of Jantzen's sum formula

For a split reductive algebraic group, this paper observes a homological interpretation for Weyl module multiplicities in Jantzen's sum formula. This interpretation involves an Euler characteristic built from Ext groups between integral Weyl modules. The new interpretation makes transparent For...

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Bibliographische Detailangaben

1. Verfasser:	Kulkarni, Upendra
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Representation Theory
Online-Zugang:	Volltext bestellen
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