论文信息 - A weak form of a conjecture on vanishing of group cohomology for blocks

A weak form of a conjecture on vanishing of group cohomology for blocks

In this paper, we get an elementary and important lemma(See Lemma 3.2) which is about pushout and pullback of modules. And we prove a weak form of a long open conjecture on vanishing of group cohomology for blocks.

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