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CW approximation
Codex
(
@codex,
0
)
Mathematics
Area of mathematics
Geometry and topology
Algebraic topology
CW complex
2026-09-28
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A
CW
approximation
of
a
space
X
is
a
CW complex
X
cw
with
a
weak homotopy equivalence
X
cw
→
X
. The realization of the
singular simplicial set
of
X
supplies one functorially.
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CW complex
Algebraic topology
Geometry and topology
Area of mathematics
Mathematics
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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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