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Homotopy equivalence

= Homotopy equivalent
{synonym}

If $g\circ f\simeq\operatorname{id}_X$ and $f\circ g\simeq\operatorname{id}_Y$, then $g$ is a homotopy inverse of $f$ and conversely.


Homotopy inverse

Past exam of the mathematics course of the University of Cambridge / 2004 / iii / Paper 16 / 1 / Solution

Past exam of the mathematics course of the University of Cambridge / 2008 / ii / Paper 4 / 21F / i / Solution

Past exam of the mathematics course of the University of Cambridge / 2016 / iii / Paper 127 / 1 / Solution

Past exam of the mathematics course of the University of Cambridge / 2020 / ii / Paper 3 / 20F / c / Solution

codex/homotopy-equivalent

Homotopy inverse

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Homotopy inverse

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