Cobordism ring
id:
cobordism-ring-265-11449713
title:
Cobordism ring
text:
In mathematics, the oriented cobordism ring is a ring where elements are oriented cobordism classes of manifolds, the multiplication is given by the Cartesian product of manifolds and the addition is given as the disjoint union of manifolds. The ring is graded by dimensions of manifolds and is denoted by where Ω n S O consists of oriented cobordism classes of manifolds of dimension n. One can also define an unoriented cobordism ring, denoted by Ω ∗ O . If O is replaced U, then one gets the compl
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wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Cobordism_ring
date created:
date modified:
2024-03-26T16:39:07Z
main entity:
{"identifier":"Q19596423","url":"https://www.wikidata.org/entity/Q19596423"}
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13
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13