bn:00992716n
Noun Concept
Categories: Homotopy theory, Properties of topological spaces, Topology
EN
contractible space  contractible  contractible topological space  locally contractible  locally contractible space
EN
In mathematics, a topological space X is contractible if the identity map on X is null-homotopic, i.e. if it is homotopic to some constant map. Wikipedia
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EN
In mathematics, a topological space X is contractible if the identity map on X is null-homotopic, i.e. if it is homotopic to some constant map. Wikipedia