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Results tagged with graph-colorings
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user 97407
Vertex colouring, Edge Colouring, List Colouring, Fractional Chromatic Number and other variants of graph colouring problems are all on topic.
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answer
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Chromatic numbers of geometric duals to a fixed graph
A planar graph $G$ has some set of embeddings $\{E_\gamma:G \hookrightarrow R^2\}$.
Each of these embeddings has associated with it a geometric dual graph $G^*_\gamma$.
Using $\chi$ to denote chromati …
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