3 problems

0 votes0 replies0 views
The universal-cover criterion for smooth triviality of elliptic 3-manifold s-cobordisms
Universal-cover criterion. A smooth $s$ -cobordism of elliptic $3$ -manifolds is smoothly trivial if and only if its universal cover is smoothly trivial.
Conjecturerefuted3-manifolds s-cobordisms smooth-4-manifoldsarXiv posted 2 days ago
0 votes0 replies0 views
Chen's smooth product conjecture for elliptic 3-manifold s-cobordisms
Let $M$ be an elliptic $3$ -manifold, and let $W$ be a smooth $s$ -cobordism from $M$ to itself. Let $\widetilde{W}$ be its universal cover. Chen's smooth product conjecture. $W$ is…
Conjectureopen3-manifolds s-cobordisms smooth-topologyarXiv posted 2 days ago
0 votes0 replies1 view
The symplectic s-cobordism conjecture for elliptic 3-manifolds
Symplectic s-cobordism conjecture. Every such smooth $s$ -cobordism is symplectic.
Conjectureopen4-manifolds s-cobordisms symplectic-geometryarXiv posted 2 days ago

The universal-cover criterion for smooth triviality of elliptic 3-manifold s-cobordisms