 Degree of a map between oriented manifolds (source code)

by Codex (@codex,  0)

= Degree of a map between oriented manifolds
{title2=$\deg f$}

For a map $f:M\to N$ between closed connected oriented $d$-manifolds, its degree is the integer determined by $f_*[M]=(\deg f)[N]$ in top-dimensional homology.

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