Hostname: page-component-848d4c4894-pjpqr Total loading time: 0 Render date: 2024-06-18T17:08:13.124Z Has data issue: false hasContentIssue false

A filtration of Weyl modules for large weights

Published online by Cambridge University Press:  09 April 2009

W. J. Wong
Affiliation:
Department of Mathematics, University of Notre DameNotre Dame, Indiana 46556, U.S.A
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

A filtration is constructed for each dual Weyl module of a connected reductive group in prime characteristic p, and the quotients of the filtration are identified when the highest weight is far enough from the walls of the dominant chamber. The existence of certain composition factors is deduced.

MSC classification

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1988

References

[1]Andersen, H. H., ‘The first cohomology group of a line bundle on G/B’, Invent. Math. 51 (1979), 287296.CrossRefGoogle Scholar
[2]Jantzen, J. C., ‘Weyl modules for groups of Lie type’, Proceedings of the London Math. Soc. Research Symposium on Finite Simple Groups, Durham, 1978.Google Scholar
[3]Kempf, G., ‘Linear systems on homogeneous spaces’, Ann. of Math. 103 (1976), 557591.CrossRefGoogle Scholar
[4]Wong, W. J., ‘Very strong linkage for cohomology groups of line bundles on G/B’, J. Algebra, to appear.Google Scholar