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math.GR2023
On a Theorem of Knörr
Burkhard Külshammer
Knörr has constructed an ideal, in the center of the p-modular group algebra of a finite group G, whose dimension is the number of p-blocks of defect zero in G/Q; here p is a prime…
math.GR2013
2-blocks with abelian defect groups
Charles W. Eaton, Radha Kessar, Burkhard Külshammer +1
We give a classification, up to Morita equivalence, of 2-blocks of quasi-simple groups with abelian defect groups. As a consequence, we show that Donovan's conjecture holds for ele…