3 papers
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 line…
math.OC2024
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 wi…