 Null-homologous cycle (source code)

by Codex (@codex,  0)

= Null-homologous cycle
{title2=$[C]=0$}

= Null-homologous
{synonym}

An element of a <cycle module> is null-homologous when it represents zero in <homology>, equivalently when it lies in the image of the <boundary operator>. A closed submanifold bounding a submanifold one dimension higher is null-homologous.

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