A class of well-covered and vertex decomposable graphs arising from rings

M Vafaei, A Tehranian, R Nikandish - Algebraic Structures and Their …, 2020 - as.yazd.ac.ir
… A graph G is called r-regular if degG(v) = r, for each vertex v of G. Let G1 and G2 be two …
families of well-covered graphs and vertex decomposable graphs are given. Now we are ready …

On vertex decomposability and regularity of graphs

A Mafı, D Naderı, P Soufıvand - International Electronic Journal of …, 2023 - dergipark.org.tr
… ) G is a bipartite graph and unmixed; (iv) G is a bipartite graph and … is a very well-covered
graph, where the graph G is called very well-covered if it is unmixed without an isolated vertices

Symbolic powers of vertex cover ideals

S Selvaraja - International Journal of Algebra and Computation, 2020 - World Scientific
is a Cohen–Macaulay and very well-covered graph, then J(G) … –Mumford regularity of symbolic
powers of certain vertex cover … section is to prove that Gk is a vertex-decomposable graph

A classification of 1-well-covered graphs

Z DenIz - Turkish Journal of Mathematics, 2021 - journals.tubitak.gov.tr
vertex-decomposable graphs [2]. Furthermore, this notion allows us to provide another
characterization of W2 … A graph is called k-regular if every vertex in the graph is of degree k. A leaf …

On powers of cover ideals of graphs

D Lu, Z Wang - Osaka Journal of Mathematics, 2024 - projecteuclid.org
… ideal is componentwise linear then its regularity is equal to … ] that G is a Cohen-Macaulay
very well-covered graph if and only … vertex decomposable if its independence complex is vertex

A glimpse to most of the old and new results on very well-covered graphs from the viewpoint of commutative algebra

K Kimura, MR Pournaki, SA Seyed Fakhari… - Research in the …, 2022 - Springer
… , shellability and vertex-decomposability of very well-covered graphs as well as their
equivalency. In Sect. 3, we deal with regularity of the edge ideals of these graphs. In Sect. 4, a …

Upper bounds for the regularity of powers of edge ideals of graphs

AV Jayanthan, S Selvaraja - Journal of Algebra, 2021 - Elsevier
regularity of I ( G ) q and we prove the conjectured upper bound for the class of vertex
decomposable graphs. … While in [30], the hypothesis was that the graph is very well-covered, it …

On the powers of vertex cover ideals

A Kumar, R Kumar - Journal of Pure and Applied Algebra, 2022 - Elsevier
… show that if G is a unicyclic vertex decomposable graph, then … if G is a Cohen-Macaulay
and very well covered graph, then … find the regularity of symbolic powers of vertex cover ideals …

Linear polynomials for the regularity of powers of edge ideals of very well-covered graphs

AV Jayanthan, S Selvaraja - 2021 - projecteuclid.org
… We prove that if G is a very well-covered graph then for all s ≥ 1 the regularity of I(G)s is
In [13], Gitler and Valencia proved that if G is a well-covered graph without isolated vertices, …

Jets and principal components of monomial ideals, and very well-covered graphs

F Galetto, N Iammarino, T Yu - arXiv preprint arXiv:2407.01836, 2024 - arxiv.org
… Our goal is to show that the jets of very well-covered graphs are very well-covered, which
was conjectured in [GHW21, … Vertex decomposability and regularity of very wellcovered