Publication

The primitive idempotents of the p-permutation ring

Jacques Thévenaz
2010
Journal Articles

Abstract

Let G be a finite group, let p be a prime number, and let K be a field of characteristic 0 and k be a field of characteristic p, both large enough. In this note, we state explicit formulae for the primitive idempotents of the ring of p-permutation kG-modules, tensored with K.

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The primitive idempotents of the p-permutation ring

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