activity
20152026
most citedEquivariant one-parameter deformations of Lie triple systems

15 citations · 17 across the 11 of their papers we have counts for

collaborators

12 papers

math.CO2026

Arithmetical Structures on Ladder Graphs

Namita Behera, Dilli Ram Chhetri, Raj Bhawan Yadav

In this paper, we investigate arithmetical structures on Cartesian product graphs, particularly, ladder graph of the form P2\square Pm and grid graph of the form Pn \square Pm. An…

math.RA2026

Structured Linearizations of Structured Rational Matrices

Avisek Bist, Namita Behera

Numerical computations involving rational matrices often benefit from preserving underlying matrix structures such as symmetry, Hermitian properties, or sparsity that reflect physi…

math.GM2025

Linearizations of Quadratic Two-parameter Matrix Polynomial Via Newton basis

Avisek Bist, Namita Behera

Given a quadratic two-parameter matrix polynomial in Newton basis , we construct a vector space of linear two-parameter matrix polynomials and identify a set of linear…

math.CO2025

Arithmetical Structures On Fan Graphs

Dilli Ram Chhetri, Namita Behera, Raj Bhawan Yadav

In this paper, we study the arithmetical structures on Fan Graphs Fn. Let G be a finite and connected graph. An arithmetical structure on G is a pair (d, r) of positive integer vec…

math.CO2024

Arithmetical Structures on Wheel Graphs

Bibhas Adhikari, Namita Behera, Dilli Ram Chhetri +1

An arithmetical structure on a finite and connected graph G is a pair (d, r) of positive integer vectors such that r is primitive (the gcd of its entries is 1) and (diag(d) - A)r =…

math.OC2024★ 1 cited

Vector Spaces of Linearizations for Multivariable State-Space Systems

Avisek Bist, Namita Behera

Consider a multivariable state space system and associated transfer function G(λ). The aim of this paper is to define and analyze two vector spaces of matrix pencils associated wit…

math.RA2023

Cohomology and deformation of compatible Hom-Leibniz algebras

Rinkila Bhutia, RB Yadav, Namita Behera

In this paper, we consider compatible Hom-Leibniz algebra where the Hom map twists the operations in the compatible system. We consider a suitably graded Lie algebra whose Maurer-C…

math.RA2023

Cohomology and deformations of compatible Leibniz algebras

RB Yadav, Rinkila Bhutia, Namita Behera

In this paper we study a cohomology theory of compatible Leibniz algebra. We construct a graded Lie algebra whose Maurer-Cartan elements characterize the structure of compatible Le…

math.NA2022

Fiedler Linearizations of Multivariable State-Space System and its Associated System Matrix

Namita Behera, Avisek Bist

Linearization is a standard method in the computation of eigenvalues and eigenvectors of matrix polynomials. In the last decade a variety of linearization methods have been develop…

math.GM2022★ 1 cited

Equivariant cohomology, deformations and central extension of Hom Lie triple systems

Rinkila Bhutia, RB Yadav, Namita Behera

In this paper, we study equivariant cohomolgy theory of Hom Lie Triple Systems. Using this cohomology, we study 1-parameter formal deformation and central extensions of Hom Lie Tri…

math.RA2020★ 15 cited

Equivariant one-parameter deformations of Lie triple systems

RB Yadav, Namita Behera, Rinkila Bhutia

In this article, we introduce equivariant formal deformation theory of Lie triple systems. We introduce an equivariant deformation cohomology of Lie triple systems and using this w…

math.NA2015

Linearizations for Rosenbrock system polynomials and rational matrix functions

Rafikul Alam, Namita Behera

Our aim in this paper is two-fold: First, for computing zeros of a linear time-invariant (LTI) system in {\em state-space form}, we introduce a "trimmed structured linearizatio…