activity
20112023
most citedDelay differential equations for the spatially-resolved simulation of epidemics with specific application to COVID-19

57 citations · 121 across the 25 of their papers we have counts for

collaborators

30 papers

math.DS2023★ 1 cited

Nonuniqueness phenomena in discontinuous dynamical systems and their regularizations

Alessia andò, Roderick Edwards, Nicola Guglielmi

In a recent paper by Guglielmi and Hairer (SIADS 2015), an analysis in the limit was proposed of regularized discontinuous ODEs in codimension-2 switching domain…

math.NA2023

A low rank ODE for spectral clustering stability

Nicola Guglielmi, Stefano Sicilia

Spectral clustering is a well-known technique which identifies clusters in an undirected graph with weight matrix by exploiting its graph Laplacian…

math.NA2023

Approximating the closest structured singular matrix polynomial

Miryam Gnazzo, Nicola Guglielmi

Consider a matrix polynomial , with complex (or real) matrices with a certain structure. In this paper we discus…

math.NA2022

Rank- matrix differential equations for structured eigenvalue optimization

Nicola Guglielmi, Christian Lubich, Stefano Sicilia

A new approach to solving eigenvalue optimization problems for large structured matrices is proposed and studied. The class of optimization problems considered is related to comput…

math.NA2022

Model order reduction in contour integral methods for parametric PDEs

Nicola Guglielmi, Mattia Manucci

In this paper we discuss a projection model order reduction (MOR) method for a class of parametric linear evolution PDEs, which is based on the application of the Laplace transform…

math.DS2021

Identification of Time Delays in COVID-19 Data

Nicola Guglielmi, Elisa Iacomini, Alex Viguerie

COVID-19 data released by public health authorities features the presence of notable time-delays, corresponding to the difference between actual time of infection and identificatio…