activity
20182023
most citedRegularity of powers of quadratic sequences with applications to binomial ideals

22 citations · 46 across the 10 of their papers we have counts for

collaborators

13 papers

math.AC2023

Algebraic properties of binomial edge ideals of Levi graphs associated with curve arrangements

Rupam Karmakar, Rajib Sarkar, Aditya Subramaniam

In this article, we study algebraic properties of binomial edge ideals of Levi graphs associated with certain plane curve arrangements. Using combinatorial properties of Levi graph…

math.AC2023

Level and pseudo-Gorenstein path polyominoes

Giancarlo Rinaldo, Francesco Romeo, Rajib Sarkar

We classify path polyominoes which are level and pseudo-Gorenstein. Moreover, we compute all level and pseudo-Gorenstein simple thin polyominoes with rank less than or equal to 10.…

math.AC2022★ 6 cited

Level and pseudo-Gorenstein binomial edge ideals

Giancarlo Rinaldo, Rajib Sarkar

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 charact…

math.AC2021

Depth of Binomial Edge Ideals in terms of Diameter and Vertex Connectivity

A. V. Jayanthan, Rajib Sarkar

Let be a simple connected non-complete graph and be its binomial edge ideal in a polynomial ring . Using certain invariants associated to graphs, say , Banerjee…

math.AC2020

Bound for the regularity of binomial edge ideals of cactus graphs

A. V. Jayanthan, Rajib Sarkar

In this article, we obtain an upper bound for the regularity of the binomial edge ideal of a graph whose every block is either a cycle or a clique. As a consequence, we obtain an u…

math.AC2019

Binomial Edge Ideals of Unicyclic Graphs

Rajib Sarkar

Let be a connected simple graph on the vertex set . Banerjee-Betancourt proved that . In this article, we prove that if is a unicyclic graph, the…

math.AC2019★ 22 cited

Regularity of powers of quadratic sequences with applications to binomial ideals

A. V. Jayanthan, Arvind Kumar, Rajib Sarkar

In this article, we obtain an upper bound for the Castelnuovo-Mumford regularity of powers of an ideal generated by a homogeneous quadratic sequence in a polynomial ring in terms o…

math.AC2019★ 14 cited

Certain Algebraic Invariants of Edge Ideals of Join of Graphs

Arvind Kumar, Rajiv Kumar, Rajib Sarkar

Let be a simple graph and be its edge ideal. In this article, we study the Castelnuovo-Mumford regularity of symbolic powers of edge ideals of join of graphs. As a conse…

math.AC2019★ 2 cited

Almost complete intersection binomial edge ideals and their Rees algebras

A. V. Jayanthan, Arvind Kumar, Rajib Sarkar

Let be a simple graph on vertices and denote the binomial edge ideal of in the polynomial ring In this artic…

math.AC2019

Depth and Extremal Betti Number of Binomial Edge Ideals

Arvind Kumar, Rajib Sarkar

Let be a simple graph on the vertex set and be the corresponding binomial edge ideal. Let be the cone of on . In this article, we compute all the Bet…

math.AC2019★ 2 cited

Symbolic powers of certain cover ideals of graphs

Arvind Kumar, Rajiv Kumar, Rajib Sarkar +1

In this paper, we compute the regularity and Hilbert series of symbolic powers of the cover ideal of a graph when is either a crown graph or a complete multipartite graph.…

math.CO2018

New Classes of Infinite Image Partition Regular Matrices Near Zero

Ram Chandra Manna, Sourav Kanti Patra, Rajib Sarkar

Image partition regular matrices near zero generalizes many classical results of Ram- sey Theory. There are several characterizations of finite image partition regular matrices nea…

math.AC2018

Hilbert Series Of Binomial Edge Ideals

Arvind Kumar, Rajib Sarkar

Let be a finite simple graph on vertices and denote the corresponding binomial edge ideal in the polynomial ring In this…