SMS scnews item created by Bill Unger at Wed 11 Nov 2009 1056
Type: Seminar
Distribution: World
Expiry: 12 Nov 2009
Calendar1: 12 Nov 2009 1500-1600
CalLoc1: Carslaw 173

Computational Algebra Seminar: Holt -- Computing Projective Indecomposable Modules

Speaker: Derek Holt (University of Warwick)
Title: Computing Projective Indecomposable Modules of Finite Groups Over Finite Fields
Time & Place: 3-4pm, Thursday 12 November, Carslaw 173

Projective Indecomposable modules for finite groups have a number of
applications, such as computing higher dimensional cohomology groups
by dimension shifting.

We consider possible methods for computing them. The most promising
approach seems to be to find so-called peakwords for the irreducible
modules in the group algebra of the group, and to use them to construct
the projective indecomposables as summands of suitable permutation

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