New trends on the systems approach to modeling SARS-CoV-2 pandemics in a globally connected planet

G Bertaglia, A Bondesan, D Burini, R Eftimie… - arxiv preprint arxiv …, 2024 - arxiv.org
This paper presents a critical analysis of the literature and perspective research ideas for
modeling the epidemics caused by the SARS-CoV-2 virus. It goes beyond deterministic …

Asymptotic-Preserving Neural Networks for multiscale hyperbolic models of epidemic spread

G Bertaglia, C Lu, L Pareschi, X Zhu - Mathematical Models and …, 2022 - World Scientific
When investigating epidemic dynamics through differential models, the parameters needed
to understand the phenomenon and to simulate forecast scenarios require a delicate …

Monte Carlo stochastic Galerkin methods for non-Maxwellian kinetic models of multiagent systems with uncertainties

A Medaglia, A Tosin, M Zanella - Partial Differential Equations and …, 2022 - Springer
In this paper, we focus on the construction of a hybrid scheme for the approximation of non-
Maxwellian kinetic models with uncertainties. In the context of multiagent systems, the …

[PDF][PDF] Implicit-explicit methods for evolutionary partial differential equations

S Boscarino, L Pareschi, G Russo - 2024 - SIAM
Excerpt This book focuses on IMEX methods, with particular emphasis on their application to
systems of PDEs. IMEX methods have proven to be highly effective for solving a wide range …

Modelling contagious viral dynamics: a kinetic approach based on mutual utility

G Bertaglia, L Pareschi, G Toscani - arxiv preprint arxiv:2401.00480, 2023 - arxiv.org
The time evolution of a contagious viral disease is modeled as the dynamic progression of
different classes of populations that interact pairwise, aiming to improve their condition with …

Asymptotic-preserving neural networks for hyperbolic systems with diffusive scaling

G Bertaglia - Young Researchers Conference, 2021 - Springer
With the rapid advance of Machine Learning techniques and the deep increase of
availability of scientific data, data-driven approaches have started to become progressively …

Multi-fidelity methods for uncertainty propagation in kinetic equations

G Dimarco, L Liu, L Pareschi, X Zhu - arxiv preprint arxiv:2112.00932, 2021 - arxiv.org
The construction of efficient methods for uncertainty quantification in kinetic equations
represents a challenge due to the high dimensionality of the models: often the computational …

The asymptotic preserving unified gas kinetic scheme for the multi-scale kinetic SIR epidemic model

X Xu, W Sun, Q Li - Computers & Mathematics with Applications, 2024 - Elsevier
In this paper, we present an asymptotic preserving scheme for the two-dimensional space-
dependent and multi-scale kinetic SIR epidemic model which is widely used to model the …

Multiscale Constitutive Framework of One-Dimensional Blood Flow Modeling: Asymptotic Limits and Numerical Methods

G Bertaglia, L Pareschi - Multiscale Modeling & Simulation, 2023 - SIAM
In this paper, a multiscale constitutive framework for one-dimensional blood flow modeling is
presented and discussed. By analyzing the asymptotic limits of the proposed model, it is …

Multi-fidelity and multi-level Monte Carlo methods for kinetic models of traffic flow

E Iacomini, L Pareschi - arxiv preprint arxiv:2501.15967, 2025 - arxiv.org
In traffic flow modeling, incorporating uncertainty is crucial for accurately capturing the
complexities of real-world scenarios. In this work we focus on kinetic models of traffic flow …