h-cobordism
Sign in to saveIn geometric topology and differential topology, an (n + 1)-dimensional cobordism W between n-dimensional manifolds M and N is an '''h-cobordism' (the h'' stands for homotopy equivalence) if the inclusion maps
~9 min read
Encyclopedic overview
8 sectionsContents
- Background
- Precise statement of the ''h''-cobordism theorem
- Lower dimensional versions
- A proof sketch
- The ''s''-cobordism theorem
- See also
- Notes
- References
In geometric topology and differential topology, an (n + 1)-dimensional cobordism W between n-dimensional manifolds M and N is an '''h-cobordism' (the h stands for homotopy equivalence) if the inclusion maps M \hookrightarrow W \quad\mbox{and}\quad N \hookrightarrow W
are homotopy equivalences.
Excerpted from Wikipedia’s “h-cobordism” article, available under the CC BY-SA 4.0 licence.