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math.RT2013
Endo-trivial modules for finite groups with Klein-four Sylow 2-subgroups
Shigeo Koshitani, Caroline Lassueur
We study the finitely generated abelian group of endo-trivial -modules where is the group algebra of a finite group over a field of characteristic . When t…
math.RT2013
Broué's abelian defect group conjecture and 3-decomposition numbers of the sporadic simple Conway group Co_1
Shigeo Koshitani, Jürgen Müller, Felix Noeske
In the representation theory of finite groups, Broué's abelian defect group conjecture says that for any prime p if a p-block A of a finite group G has an abelian defect group P, t…