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math.GR2012
Products in Fusion Systems
Ellen Henke
We revisit the notion of a product of a normal subsystem with a -subgroup as defined by Aschbacher. In particular, we give a previously unknown, more transparent construction.
math.AT2012★ 14 cited
Group cohomology and control of p-fusion
David Benson, Jesper Grodal, Ellen Henke
We show that if an inclusion of finite groups H < G of index prime to p induces a homeomorphism of mod p cohomology varieties, or equivalently an F-isomorphism in mod p cohomology,…