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Simple Periodic Modules Over Chevalley Groups

โœ Scribed by Janiszczak, I.; Jantzen, J. C.


Book ID
120094704
Publisher
Oxford University Press
Year
1990
Tongue
English
Weight
309 KB
Volume
s2-41
Category
Article
ISSN
0024-6107

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Generic Patterns for Extensions of Simpl
โœ Cornelius Pillen ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 78 KB

This paper describes generic patterns for the extensions between simple modules of a finite Chevalley group. A one-to-one correspondence between these extensions and the extensions between certain simple modules of the ambient algebraic group are established. It is shown that an extension appears in