单词 | Chern Number |
释义 | Chern NumberThe Chern number is defined in terms of the Chern Class of a Manifold as follows. For any collectionChern Classes such that their cup product has the same Dimension as theManifold, this cup product can be evaluated on the Manifold's Fundamental Class. Theresulting number is called the Chern number for that combination of Chern classes. The most important aspect of Chernnumbers is that they are Cobordism invariant. See also Pontryagin Number, Stiefel-Whitney Number |
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