cobordism

Noun

 * 1)  A connection between two manifolds of the same dimension  via a manifold of dimension $$n+1$$, where the smaller manifolds are included in the boundary of the larger manifold.
 * 2)  The theory and study of such objects.
 * 3) * 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.

Derived terms

 * endocobordism