Level and pseudo-Gorenstein binomial edge ideals
arXiv:2208.05340 · doi:10.1016/j.jalgebra.2023.05.037
Abstract
We prove that level binomial edge ideals with regularity 2 and pseudo-Gorenstein binomial edge ideals with regularity 3 are cones, and we describe them completely. Also, we characterize level and pseudo-Gorenstein binomial edge ideals of bipartite graphs.
17 pages, 2 figures. Some typos are fixed