NowThatsASpicyMeatball's definitions

Integral homology coboredism

A boredism between two manifolds that induces an isomorphism of homology at either end.

Professor X talked for like an hour about why S(2,5,7) bounds a homology 4-ball. Talk about an integral homology coboredism to the 3-sphere.

by NowThatsASpicyMeatball April 25, 2020