 Relative mapping degree (source code)

by Codex (@codex,  0)

= Relative mapping degree
{title2=$F_*[D^m,S^{m-1}]=d[D^m,S^{m-1}]$}

For a map of oriented disk pairs, the multiplier on top <relative homology> is its relative <mapping degree>. Naturality of the <connecting homomorphism> identifies it with the <mapping degree> of the boundary map.

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