图的连通理想的线性商
交换代数
2025-04-02 v3 组合数学
摘要
作为图的边理想的高阶类比,我们研究了-连通理想。这是由大小为的连通子集生成的单项式理想。对于弦图,我们证明具有线性分解当且仅当该树是-无间隙的,并且这等价于具有线性商。然后我们证明,如果是任意无间隙且-无爪图,那么具有线性商,从而具有线性分解。
引用
@article{arxiv.2401.01046,
title = {Linear quotients of connected ideals of graphs},
author = {H. Ananthnarayan and Omkar Javadekar and Aryaman Maithani},
journal= {arXiv preprint arXiv:2401.01046},
year = {2025}
}
备注
12 pages. This is the final version of the article, which has now appeared in the Journal of Algebraic Combinatorics