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arXiv 1807.02154math.ACmath.CO
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图的复曲面理想的贝蒂数:一个实例研究

Betti numbers of toric ideals of graphs: A case study

Federico Galetto, Johannes Hofscheier, Graham Keiper, Craig Kohne, Miguel Eduardo Uribe Paczka, Adam Van Tuyl

摘要:

本文计算了一类图的环面理想的分次贝蒂数,这类图是由一个圈与一个完全二部图相连而成的。关键的观察是,这个家庭承认一个初始理想,其中有线性矩阵。作为推论,我们计算了这个图族中所有环面理想的Hilbert级数和$h$ -向量。

英文摘要:

We compute the graded Betti numbers for the toric ideal of a family of graphs constructed by adjoining a cycle to a complete bipartite graph. The key observation is that this family admits an initial ideal which has linear quotients. As a corollary, we compute the Hilbert series and $h$-vector for all the toric ideals of graphs in this family.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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