# cobordism

Definition from Wiktionary, the free dictionary

## Contents

## English[edit]

### Noun[edit]

**cobordism** (*plural* **cobordisms**)

- (mathematics) A connection between two manifolds of the same dimension n via a manifold of dimension , where the smaller manifolds are included in the boundary of the larger manifold.
- (mathematics) The theory and study of such objects.
**2008**April, John R. Harper, "*Generalized cohomology*, by Akira Kono and Dai Tamaki" (book review),*Bulletin (New Series) of the American Mathematical Society*volume 45 number 2, page 310,**Cobordism**revives the intuitive idea of bounding harbored in the original work of Poincaré but later sacrificed in order to construct a viable theory based on simpicial complexes.