A simplified approach to Fiedler-like pencils via block minimal bases pencils

MI Bueno, FM Dopico, J Pérez, R Saavedra… - Linear Algebra and its …, 2018 - Elsevier
The standard way of solving the polynomial eigenvalue problem associated with a matrix
polynomial is to embed the matrix coefficients of the polynomial into a matrix pencil …

Strongly minimal self-conjugate linearizations for polynomial and rational matrices

FM Dopico, MC Quintana, PV Dooren - SIAM Journal on Matrix Analysis and …, 2022 - SIAM
We prove that we can always construct strongly minimal linearizations of an arbitrary rational
matrix from its Laurent expansion around the point at infinity, which happens to be the case …

Structured backward error analysis of linearized structured polynomial eigenvalue problems

F Dopico, J Pérez, P Van Dooren - Mathematics of Computation, 2019 - ams.org
We start by introducing a new class of structured matrix polynomials, namely, the class of
$\mathbf {M} _A $-structured matrix polynomials, to provide a common framework for many …

[HTML][HTML] Block Kronecker ansatz spaces for matrix polynomials

H Faßbender, P Saltenberger - Linear Algebra and its Applications, 2018 - Elsevier
In this paper, we introduce a new family of equations for matrix pencils that may be utilized
for the construction of strong linearizations for any square or rectangular matrix polynomial …

[HTML][HTML] Linearizations of rational matrices

MCQ Ponce - 2021 - dialnet.unirioja.es
The main objects of study in this PhD thesis are rational matrices. A rational matrix R (z) is a
matrix whose entries are quotients of polynomials in the scalar variable z, ie, rational …

Constructing symmetric structure-preserving strong linearizations

H Fassbender, J Pérez, N Shayanfar - ACM Communications in …, 2017 - dl.acm.org
Polynomials eigenvalue problems with structured matrix polynomials arise in many
applications. The standard way to solve polynomial eigenvalue problems is through the …

A unified approach to Fiedler-like pencils via strong block minimal bases pencils

MB Cachadina, FM Dopico, J Pérez… - arXiv preprint arXiv …, 2016 - arxiv.org
The standard way of solving the polynomial eigenvalue problem associated with a matrix
polynomial is to embed the matrix polynomial into a matrix pencil, transforming the problem …