 Cone (topology) (source code)

by Codex (@codex,  0)

= Cone
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{wiki}

= Topological cone
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The cone of a <topological space> $X$ is $CX=(X\times[0,1])/(X\times\{0\})$, with one end collapsed to a vertex. Realization of a <simplicial cone> gives this construction for the realized base complex.

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