Results 1 to 10 of about 27,934 (169)

Licci binomial edge ideals [PDF]

open access: greenJournal of Combinatorial Theory, Series A, 2020
We give a complete characterization of graphs whose binomial edge ideal is licci. An important tool is a new general upper bound for the regularity of binomial edge ideals.
Viviana Ene   +2 more
exaly   +7 more sources

Koszul binomial edge ideals

open access: greenForum of Mathematics, Sigma
The study of Koszul binomial edge ideals was initiated by V. Ene, J. Herzog, and T. Hibi in 2014, who found necessary conditions for Koszulness. The binomial edge ideal $J_G$ associated to a finite simple graph G is always generated by quadrics ...
Adam LaClair   +3 more
doaj   +3 more sources

Cohen-Macaulay binomial edge ideals [PDF]

open access: yesNagoya Mathematical Journal, 2011
We study the depth of classes of binomial edge ideals and classify all closed graphs whose binomial edge ideal is Cohen--Macaulay.Comment: 9 ...
Ene, Viviana   +2 more
core   +5 more sources

Smoothness in Binomial Edge Ideals [PDF]

open access: yesMathematics, 2016
In this paper we study some geometric properties of the algebraic set associated to the binomial edge ideal of a graph. We study the singularity and smoothness of the algebraic set associated to the binomial edge ideal of a graph. Some of these algebraic
Hamid Damadi, Farhad Rahmati
doaj   +3 more sources

Koszul binomial edge ideals [PDF]

open access: yes, 2013
It is shown that if the binomial edge ideal of a graph $G$ defines a Koszul algebra, then $G$ must be chordal and claw free.
A. Conca   +16 more
core   +2 more sources

Graph connectivity and binomial edge ideals [PDF]

open access: bronzeProceedings of the American Mathematical Society, 2016
We relate homological properties of a binomial edge ideal $\mathcal{J}_G$ to invariants that measure the connectivity of a simple graph $G$. Specifically, we show if $R/\mathcal{J}_G$ is a Cohen-Macaulay ring, then graph toughness of $G$ is exactly $\frac{1}{2}$.
Arindam Banerjee   +1 more
openalex   +4 more sources

Regularity of powers of binomial edge ideals of complete multipartite graphs [PDF]

open access: greenCzechoslovak Mathematical Journal, 2023
Let $$G = {K_{{n_1},{n_2}, \ldots ,{n_r}}}$$ G = K n 1 , n 2 , … , n r be a complete multipartite graph on [ n ] with n > r > 1 and J _ G being its binomial edge ideal.
Hong Wang, Zhongming Tang
openalex   +2 more sources

Binomial edge ideals of Clutters [PDF]

open access: green, 2021
In this paper, we introduce the notion of binomial edge ideals of a clutter and obtain results similar to those obtained for graphs by Rauf \& Rinaldo in \cite{raufrin}. We also answer a question posed in their paper.
Kamalesh Saha, Indranath Sengupta
openalex   +3 more sources

Regularity of parity binomial edge ideals [PDF]

open access: greenProceedings of the American Mathematical Society, 2020
10 pages, Suggestions and comments are welcome.
Arvind Kumar
openalex   +5 more sources

On the Depth of Generalized Binomial Edge Ideals [PDF]

open access: greenMediterranean Journal of Mathematics
This research focuses on analyzing the depth of generalized binomial edge ideals. We extend the notion of d-compatible map and use it to give a combinatorial lower bound for the depth of generalized binomial edge ideals.
J. Anuvinda   +2 more
openalex   +2 more sources

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