The global fixed-point conjecture for actions of homeomorphism groups
The global fixed-point conjecture for actions of homeomorphism groups
Let be a simply connected manifold that is not homeomorphic to , and let be a manifold of dimension . The group acts nontrivially on . Global fixed-point conjecture. This action has no global fixed points. The conjecture is motivated by the observation that the local homology of the global fixed set contains the cohomology of with a degree shift; such large local homology appears difficult to realize. The claim is posed for general simply connected and its resolution is not known from the source.
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Sources & referencesView supporting material
Primary source
Lei Chen, “Actions of homeomorphism groups of manifolds admitting a nontrivial finite free action”, arXiv:1909.12515 (2019).
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