2 citations · 7 across the 29 of their papers we have counts for
4 papers · 1 filter
The operation and operation of Cohen-Macaulay bipartite graphs
Yulong Yang, Guangjun Zhu, Yijun Cui +1
Let be a finite simple graph with the vertex set and let be its edge ideal in the polynomial ring . In this paper, we compute the depth and the Cas…
Projective dimension and regularity of edge ideals of some vertex-weighted oriented unicyclic graphs
Guangjun Zhu, Hong Wang
In this paper we provide some exact formulas for the projective dimension and the regularity of edge ideals of vertex-weighted oriented unicyclic graphs. These formulas are in func…
Integral closure and normality of edge ideals of some edge-weighted graphs
Shiya Duan, Guangjun Zhu, Yijun Cui +1
Let be an edge-weighted simple graph. In this paper, we give a complete characterization of the graph whose edge ideal is integrally closed. We also show that…
Generalized binomial edge ideals of bipartite graphs
Yi-Huang Shen, Guangjun Zhu
Connected bipartite graphs whose binomial edge ideals are Cohen--Macaulay have been classified by Bolognini et al. In this paper, we compute the depth, Castelnuovo--Mumford regular…