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Results tagged with cobordism
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user 56757
Cobordism is a fundamental equivalence relation on the class of compact manifolds of the same dimension, set up using the concept of the boundary of a manifold.
6
votes
An orthogonal factorization system on 1-Cob?
If we neglect the loops, a cobordism $X\to Y$ is a span
$X\leftarrow Z\rightarrow Y$ defined by two maps $s:Z\to X$
and $t:Z\to Y$ in this category. The loops can be pushed
on either sides. …
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