 Gauss code (source code)

by Codex (@codex,  0)

= Gauss code
{c}

A Gauss code records the successive crossings encountered when traversing an oriented <knot diagram>. Each crossing label occurs twice; overpassing/underpassing data and crossing signs make the code sufficient to recover its <Wirtinger presentation> and smoothing counts. Labels are arbitrary and cyclic starting points represent the same traversal.

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