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A hypergraph characterization of nearly complete intersections

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arxiv 2101.08401 v2 pith:QXFESYIM submitted 2021-01-21 math.AC

A hypergraph characterization of nearly complete intersections

classification math.AC
keywords completenearlyintersectionsidealsarxivcharacterizationarbitrarybetti
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Recently, nearly complete intersection ideals were defined by Boocher and Seiner to establish lower bounds on Betti numbers for monomial ideals (arXiv:1706.09866). Stone and Miller then characterized nearly complete intersections using the theory of edge ideals (arXiv:2101.07901). We extend their work to fully characterize nearly complete intersections of arbitrary generating degrees and use this characterization to compute minimal free resolutions of nearly complete intersections from their degree 2 part.

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