Resolution of Unmixed Bipartite Graphs

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Authors
Mohammadi, Fatemeh
Moradi, Somayeh
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Abstract
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For an unmixed bipartite graph $G$ we consider the lattice of vertex covers $\mathcal{L}_G$ and compute depth, projective dimension and extremal Betti-numbers of $R/I(G)$ in terms of this lattice.
Comment: 8 pages, 1 figure
Keywords
Mathematics - Commutative Algebra, Mathematics - Combinatorics, 13D02, 13P10, 13D40, 13A02
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