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Questions about the Tutte polynomial of graphs and matroids, which is a polynomial in two variables encoding many interesting combinatorial informations.
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The Tutte Polynomial - is a `crossing' the same as a `bridge'?
The Wikipedia page for the Tutte polynmomial doesn't use the word crossing, it also uses the word bridge. In graph theory, a bridge of a connected graph is an edge that separates the graph into two c …