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math.GR2016
On cohomology of saturated fusion systems and support varieties
Constantin-Cosmin Todea
In this short note we study the cohomology algebra of saturated fusion systems using finite groups which realize saturated fusion systems and Hochschild cohomology of group algebra…
math.RA2016
Frobenius induction for algebras
Tiberiu Coconet, Andrei Marcus, Constantin-Cosmin Todea
Let be a homomorphism of Hopf algebras and let be an algebra. We consider the induction from to of in two cases: when is a -interior algebra…
math.GR2016
Bockstein homomorphisms for Hochschild cohomology of group algebras and of block algebras of finite groups
Constantin-Cosmin Todea
We give an explicit approach for Bockstein homomorphisms of the Hochschild cohomology of a group algebra and of a block algebra of a finite group and we show some properties. To gi…