Sharpness problem for the subgroup spectral sequence of a p-local finite group
Sharpness problem for the subgroup spectral sequence of a p-local finite group
Let be a -local finite group. The groups are the higher limits of the functor assigning to each object its mod- cohomology:
Sharpness problem. For every and ,
This vanishing would make the associated spectral sequence sharp. For fusion systems realized by a finite group, the statement is proved by Diaz and Park; the general case for -local finite groups is the problem posed here.
Sources & referencesView supporting material
Primary source
Ergun Yalcin, “LHS-spectral sequences for regular extensions of categories”, arXiv:2305.02000 (2024).
Progress summary
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