The Alexander trick for homology spheres

Autor: Galatius, Soren, Randal-Williams, Oscar
Rok vydání: 2023
Předmět:
Druh dokumentu: Working Paper
Popis: We show that the group of homeomorphisms of a compact contractible $d$-manifold which fix the boundary is contractible, as long as $d \geq 6$. We deduce this from a strong uniqueness statement for one-sided $h$-cobordisms.
Comment: 15 pages, updated section 1.3 in v2
Databáze: arXiv