2 papers
math.NA2019
Nearest matrix polynomials with a specified elementary divisor
Biswajit Das, Shreemayee Bora
The problem of finding the distance from a given matrix polynomial of degree to the set of matrix polynomials having the elementary divisor $(λ-λ_0)^j, \, j \geqsl…
math.NA2018
Vector Spaces of Generalized Linearizations for Rectangular Matrix Polynomials
Biswajit Das, Shreemayee Bora
The seminal work by Mackey et al. in 2006 (reference [21] of the article) introduced vector spaces of matrix pencils, with the property that almost all the pencils in the spaces ar…