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08/07/2023
Parameterized Interpolation of Passive Systems
We study the tangential interpolation problem for a passive transfer fun...
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03/18/2023
Computing a compact local Smith McMillan form
We define a compact local Smith-McMillan form of a rational matrix R(λ) ...
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11/16/2022
Linearizations of matrix polynomials viewed as Rosenbrock's system matrices
A well known method to solve the Polynomial Eigenvalue Problem (PEP) is ...
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10/28/2022
Revisiting the matrix polynomial greatest common divisor
In this paper we revisit the greatest common right divisor (GCRD) extrac...
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11/03/2021
On role extraction for digraphs via neighbourhood pattern similarity
We analyse the recovery of different roles in a network modelled by a di...
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10/28/2021
On computing root polynomials and minimal bases of matrix pencils
We revisit the notion of root polynomials, thoroughly studied in [F. Dop...
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10/24/2021
Strongly minimal self-conjugate linearizations for polynomial and rational matrices
We prove that we can always construct strongly minimal linearizations of...
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09/02/2021
Root-max Problems, Hybrid Expansion-Contraction, and Quadratically Convergent Optimization of Passive Systems
We present quadratically convergent algorithms to compute the extremal v...
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03/30/2021
Structural backward stability in rational eigenvalue problems solved via block Kronecker linearizations
We study the backward stability of running a backward stable eigenstruct...
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11/02/2020
Block Full Rank Linearizations of Rational Matrices
Block full rank pencils introduced in [Dopico et al., Local linearizatio...
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09/01/2020
Diagonal scalings for the eigenstructure of arbitrary pencils
In this paper we show how to construct diagonal scalings for arbitrary m...
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05/10/2020
Structured backward errors for eigenvalues of linear port-Hamiltonian descriptor systems
When computing the eigenstructure of matrix pencils associated with the ...
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09/15/2019
Optimal robustness of passive discrete time systems
We construct optimally robust realizations of a given rational transfer ...
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07/25/2019