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arXiv · 1702.07316

Koszul binomial edge ideals of pairs of graphs

Herolistra Baskoroputro·Viviana Ene·Cristian Ion
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Abstract

We study the Koszul property of a standard graded $K$-algebra $R$ defined by the binomial edge ideal of a pair of graphs $(G_1,G_2)$. We show that the following statements are equivalent: (i) $R$ is Koszul; (ii) the defining ideal $J_{G_1,G_2}$ of $R$ has a quadratic Gr\"obner basis; (iii) the graded maximal ideal of $R$ has linear quotients with respect to a suitable order of its generators

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Herolistra Baskoroputro, Viviana Ene, Cristian Ion. 2017-02-23. Koszul binomial edge ideals of pairs of graphs. https://arxiv.org/abs/1702.07316

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