Category:Cobordisms
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This category contains results about Cobordisms.
Definitions specific to this category can be found in Definitions/Cobordisms.
Let $X^n$ and $Y^n$ be manifolds without boundary of dimension $n$.
A cobordism $W^{n + 1}$ between $X$ and $Y$ is an $\paren {n + 1}$-dimensional topological manifold such that:
- $\partial W = X \cup Y$
where $\partial W$ denotes the boundary of $W$.
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