On Equivariant flag f-vectors for balanced relative simplicial complexes


We study the equivariant flag f-vector and equivariant flag h-vector of a balanced relative simplicial complex with respect to a group action. When the complex satisfies Serre\u27s condition (Sℓ), we show that the equivariant flag h-vector, the equivariant h-vector, and the equivariant f-vector satisfy several inequalities.We apply these results to the study of P-partitions of double posets, and weak colorings of mixed graphs

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