The global fixed-point conjecture for actions of homeomorphism groups

From papers

Let MM be a simply connected manifold that is not homeomorphic to SnS^n, and let NN be a manifold of dimension n+k<2nn+k<2n. The group Homeo0(M)\operatorname{Homeo}_0(M) acts nontrivially on NN. 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 MM with a degree shift; such large local homology appears difficult to realize. The claim is posed for general simply connected MM 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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