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- W2949678209 abstract "Steingrimsson's coloring complex and Jonsson's unipolar complex are interpreted in terms of hyperplane arrangements. This viewpoint leads to short proofs that all coloring complexes and a large class of unipolar complexes have convex ear decompositions. These convex ear decompositions impose strong new restrictions on the chromatic polynomials of all finite graphs. Similar results are obtained for characteristic polynomials of submatroids of type B_n arrangements." @default.
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- W2949678209 date "2007-06-25" @default.
- W2949678209 modified "2023-09-27" @default.
- W2949678209 title "Coloring complexes and arrangements" @default.
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