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Tag Archives: embedding
Four color theorem: sage and multiple edges
Implementing, using Sagemath, the algorithm of Kempe reduction and the half Kempe chain color swithing (for Tait coloring), I need to avoid multiple edges and loops … OR I’ll not be able to use functions that need embedding, as for … Continue reading →
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Tagged cubic graphs, embedding, four color theorem, Kempe chain, sage, sagemath, Tait coloring

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