Nikolaus Conference 2019

Speaker: Jonathan Gruber (Lausanne)

Title: Complete Reducibility of Tensor Products of Simple Modules for Simple Algebraic Groups

Abstract:

Let \(G\) be a simple algebraic group over an algebraically closed field of positive characteristic \(p\). We are concerned with the question of when the tensor product of two simple \(G\)-modules is completely reducible. I will talk about a reduction of the problem to the case where both modules have \(p\)-restricted highest weight.

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