词条 | Dold manifold |
释义 |
In mathematics, a Dold manifold is one of the manifolds P(m,n) = (Sm×CPn)/τ (where τ acts as −1 on the sphere Sm and a complex conjugation on complex projective space CPn) constructed by {{harvs|txt|last=Dold|authorlink=Albrecht Dold|year=1956}} that he used to give explicit generators for Thom's unoriented cobordism ring. References
2 : Algebraic topology|Manifolds |
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