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arXiv 2001.02893math.ATmath.GT
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光滑CW复形的Whitney逼近

Whitney Approximation for Smooth CW Complex

Norio Iwase

摘要:

本文证明了从流形到光滑CW复形的连续映射的Whitney逼近定理。这使我们能够证明拓扑CW复形同伦等价于拓扑空间范畴中的光滑CW复形。对光滑CW复形的任何开覆盖,都存在从属于该开覆盖的单位单位分解.

英文摘要:

We show a Whitney Approximation Theorem for a continuous map from a manifold to a smooth CW complex. This enables us to show that a topological CW complex is homotopy equivalent to a smooth CW complex in a category of topological spaces. It is also shown that, for any open covering of a smooth CW complex, there exists a partition of unity subordinate to the open covering.

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