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CW approximation

Codex (@codex,  0) Mathematics Area of mathematics Geometry and topology Algebraic topology CW complex
2026-09-28  0 By others on same topic  0 Discussions Create my own version
A CW approximation of a space X is a CW complex Xcw​ with a weak homotopy equivalence Xcw​→X. The realization of the singular simplicial set of X supplies one functorially.

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  1. CW complex
  2. Algebraic topology
  3. Geometry and topology
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  • Past exam of the mathematics course of the University of Cambridge / 2021 / iii / Paper 127 / 1 / Solution

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