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09/03/2023
On the numerical approximation of the distance to singularity for matrix-valued functions
Given a matrix-valued function ℱ(λ)=∑_i=1^d f_i(λ) A_i, with complex mat...
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06/07/2023
A low rank ODE for spectral clustering stability
Spectral clustering is a well-known technique which identifies k cluster...
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01/16/2023
Computing the closest singular matrix polynomial
Given a matrix polynomial P ( λ)= A_0 + λ A_1 + … + λ^d A_d, with A_0,…,...
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01/09/2023
Quantifying the structural stability of simplicial homology
The homology groups of a simplicial complex reveal fundamental propertie...
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06/19/2022
Rank-1 matrix differential equations for structured eigenvalue optimization
A new approach to solving eigenvalue optimization problems for large str...
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01/04/2022
Contour Integral Methods for time treatment in Reduced Basis Methods
In this paper we discuss a reduced basis method for linear evolution PDE...
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09/13/2021
Computation of the nearest structured matrix triplet with common null space
We study computational methods for computing the distance to singularity...
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03/01/2021
Delay differential equations for the spatially-resolved simulation of epidemics with specific application to COVID-19
In the wake of the 2020 COVID-19 epidemic, much work has been performed ...
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12/13/2020
Pseudospectral roaming contour integral methods for convection-diffusion equations
We generalize ideas in the recent literature and develop new ones in ord...
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10/29/2020
A passivation algorithm for linear time-invariant systems
We propose and study an algorithm for computing a nearest passive system...
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02/16/2020
A gradient system approach for Hankel structured low-rank approximation
Rank deficient Hankel matrices are at the core of several applications. ...
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12/21/2019