2 problems
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Vertex decomposability and weak polymatroidality for unmixed graphs
Let be an unmixed graph, meaning that all minimal vertex covers of have the same cardinality, and let be its vertex cover ideal. Recall that a graph is vertex decomp…
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Weak polymatroidality of vertex cover ideals of unmixed vertex decomposable graphs
Let be an unmixed vertex decomposable graph, and let be its vertex cover ideal. Weak graph conjecture. Then … This is presented as a weak form of the conjecture for pure…