SIMAI 2025

Chaired by: Prof. Silvia Tozza (ALMA MATER STUDIORUM - Università di Bologna, Italy) , Dr. Paolo Massa (University of Applied Sciences and Arts Northwestern Switzerland (FHNW), Switzerland)

AIxtreme: The Physics Behind The Space Weather Prediction Tools
G. Nicolini * , R. Susino , D. Telloni
CME Detection and Tracking via the Level-Set Method
G. Paolucci * , S. Tozza
Enhancing image resolution of solar magnetograms: A latent diffusion model approach
F. Ramunno * , P. Massa , V. Kinakh , B. Panos , S. Voloshynovskyy , A. Csillaghy
Solar Flare Imaging from STIX Data
A. Guidetti * , S. Guastavino , P. Massa , M. Piana , F. Benvenuto
Polynomial reconstruction of integral data
L. Bruni Bruno *
3D Reconstruction of Solar Flare X-ray Sources from Stereoscopic Fourier Data
P. Massa * , B. Palumbo

Tue, 02/09/2025
10:45 - 13:15
Room 134
MS026

MS026 Mathematical Modelling in Soft Matter

Main Organizer: Mr. Ariel Surya Boiardi (SISSA, Italy)

Chaired by: Mr. Ariel Surya Boiardi (SISSA, Italy) , Mr. Roberto Marchello (SISSA - International School for Advanced Studies, Italy)

Keynote Mechanics of axis formation in Hydra: an active matter view on morphogenesis
L. Giomi *
The Role of Topological Defects in Driving Shape Instabilities in Nematic Polymer Networks
S. Paparini * , G. Giusteri , A. Mihai
On a phenotype-structured phase-field model of nutrient-limited tumour growth
T. Lorenzi , G. Pozzi * , A. Signori
A gradient flow approach to leaves morphogenesis
D. Andrini * , A. Lucantonio , G. Noselli
Mathematical models for flagellar activation mechanisms
I. Anello * , A. De Simone , F. Alouges

Tue, 02/09/2025
10:45 - 13:15
Room 135
MS018

MS018 Multiscale Dynamics of Complex Interacting Systems: Theory, Modeling and Applications

Main Organizer: Dr. Andrea Bondesan (University of Parma, Italy)

Chaired by: Dr. Martina Conte (Politecnico di Torino, Italy) , Dr. Andrea Bondesan (University of Parma, Italy)

Keynote Kinetic models for populations with multiple microscopic states and individual transfers
M. Bisi * , M. Conte , M. Groppi
Cross-diffusion systems in population dynamics: fast reaction limit, regularity and stability
E. Brocchieri *
Advances in Modelling and Simulations of Swarming Dynamics across the scales
M. Menci *
The Boltzmann Equation for a Multi-Species Inelastic Mixture: Well-Posedness and Numerical Simulations
T. Tenna * , T. Rey
A Kinetic Theory to Ordered Fluids
A. Medaglia *

Tue, 02/09/2025
10:45 - 13:15
Room 136
MS012

MS012 Direct and Inverse Percolation Problems: Physical and Machine Learning Approaches

Main Organizer: Dr. Josephin Giacomini (Università degli Studi di Camerino, Italy)

Chaired by: Dr. Josephin Giacomini (Università degli Studi di Camerino, Italy) , Mr. antoniorenee barletta (Università di Napoli Federico II, Italy)

A study of liquid infiltration into an espresso bed using micro-computed tomography and modelling
K. Moroney *
An asymptotic approach to percolation
M. Vynnycky * , K. Moroney
A Mathematical Model for the Coffee Roasting Process
N. Egidi , L. Fatone , P. Maponi , E. Trebovic *
Collocation Method with Radial Basis Functions in the Extraction of Espresso Coffee
J. Giacomini , P. Maponi , G. Pacini *
Mathematical modeling of the espresso coffee extraction process with brewing water injected from different directions
N. Egidi * , R. Piergallini , G. Tomassoni
Numerical Solutions to Inverse Navier-Stokes Problems via Physics-Informed Neural Networks: A Comparison Using DeepXDE
P. De Luca * , L. Marcellino
Innovating Polyolefin Recycling with Artificial Intelligence
V. Vocca * , S. Cuomo

Tue, 02/09/2025
10:45 - 13:15
Room 005
MS009B

MS009B Advances in Polytopal Methods with Applications in Engineering

Main Organizer: Mr. Mattia Corti (Politecnico di MILANO (MILANO), Italy)

Chaired by: Dr. Andrea Cangiani (SISSA, Italy)

Approximating Virtual Element Basis Functions via Neural Networks
S. Berrone , M. Pintore , G. Teora *
A three-level CIP-VEM approach for the Oseen equation
M. Trezzi *
R3MG: R-Tree-Based Agglomeration of Polytopal Grids with Applications to Multilevel Methods
M. Feder * , A. Cangiani , L. Heltai , P. Africa
A coupled mathematical and numerical model for protein spreading and tissue atrophy applied to Alzheimer’s disease
V. Pederzoli * , M. Corti , D. Riccobelli , P. Antonietti
Virtual Element methods for non-Newtonian fluid flow problems
P. Antonietti , L. Beirão da Veiga , M. Botti , A. Harnist * , G. Vacca , M. Verani

Tue, 02/09/2025
13:30 - 14:30

Lunch Break

Tue, 02/09/2025
14:30 - 15:15
Aula Magna

Plenary Lecture III

Primum Non Nocere, Secundum Simulare: A New Computational Era in Clinical Trials
A. Frangi *

Tue, 02/09/2025
15:15 - 15:45

Coffee Break

Tue, 02/09/2025
15:45 - 18:15
Aula Magna
MS002B

MS002B Advanced Numerical Methods and Algorithms for Differential and Integral Equations

Main Organizer: Dr. Gianluca Frasca-Caccia (University of Salerno, Italy)

Chaired by: Prof. Angelamaria Cardone (University of Salerno, Italy) , Prof. Jesus Martin-Vaquero (University of Salamanca, Spain)

Numerical Study of a Fractional Vegetation--Water Model describing Anomalous Advection Processes with Variable Rainfall
A. Jannelli * , M. Speciale
Spectrally Accurate Collocation Methods for Fractional Differential Equations: a Bridge between Theory and Practice
L. Brugnano , G. Gurioli * , F. Iavernaro , M. Vikerpuur
Numerical Simulations of a Fractional-Order Vegetation Pattern Model Driven by Water-Toxicity Interactions
Z. Ahmad * , A. Cardone , F. Giannino , G. Toraldo
A Gaussian method for the square root of accretive operators
E. Denich * , P. Novati
Geometry-Aware BEM with Galerkin Hypersingular Integral Treatment for Potential Flows
L. Cattarossi * , A. Mola

Tue, 02/09/2025
15:45 - 18:15
Room 003
MS029B

MS029B Physics-based Surrogate Models and Scientific Machine Learning

Main Organizer: Dr. Davide Torlo (Università di Roma La Sapienza, Italy)

Chaired by: Dr. Davide Torlo (Università di Roma La Sapienza, Italy) , Dr. Federico Pichi (SISSA, Italy)

Random Projection-based Operator Networks for Learning Linear and Nonlinear PDEs Operators
G. Fabiani , I. Kevrekidis , C. Siettos * , A. Yannacopoulos
Mapping CFD Simulations to ML Convolutions
E. Saetta * , A. Paolino , R. Tognaccini , D. Pucci , G. Iaccarino
Latent Dynamics Graph Convolutional Autoencoders
L. Tomada * , F. Pichi , G. Rozza
Towards data-driven quasi-conformal surface parameterization
S. Imperatore * , K. Raval , C. Giannelli
Discovery of slow invariant manifolds in dynamical systems
D. Patsatzis , L. Russo * , C. Siettos
Neural ordinary differential equations for model order reduction of stiff systems
M. Caldana * , J. Hesthaven
A coordinate transformation-based physics-informed neural networks for hyperbolic conservation laws
Y. Chen * , Z. Gao , J. Hesthaven , Y. Lin , X. Sun

Tue, 02/09/2025
15:45 - 18:15
Room 004
MS011B

MS011B Approximation Methods And Mathematical Models

Main Organizer: Prof. Iulia Martina Bulai (University of Torino, Italy)

Chaired by: Prof. Roberto Cavoretto (University of Turin, Italy) , Prof. Iulia Martina Bulai (University of Torino, Italy)

Event Detection and Modelling of Physical Systems From Acoustic Responses
E. Chinellato * , F. Marcuzzi
Samplet forests: multiresolution analysis on graph signals
G. Elefante * , G. Giacchi , M. Multerer , J. Quizi
Adapted Numerical Methods for PDEs models in Sustainability
D. Conte , S. Gonzalez-Pinto , D. Hernandez-Abreu , G. Pagano * , B. Paternoster
Community detection algorithms for GBF-PUM signal approximation on graphs
R. Cavoretto , C. Comoglio , A. De Rossi *
Landweber Iteration in Banach Spaces for Linear FDEM data inversion
P. Díaz de Alba * , C. Estatico , M. Lazzaretti , G. Rodriguez
On the rates of convergence of a kernel based random forest algorithm
I. IAKOVIDIS *

Tue, 02/09/2025
15:45 - 18:15
Room 005
MS038A

MS038A Surrogates for complex parametric and time-dependent systems: bridging the gap between methods and applications

Main Organizer: Phd. Chiara Piazzola (Technical University of Munich, Germany)

Chaired by: Phd. Chiara Piazzola (Technical University of Munich, Germany)

Reduced order modeling with shallow recurrent decoder networks
M. Tomasetto , F. Braghin , A. Manzoni * , N. Kutz
Numerical Methods for Uncertainty Quantification in Spatiotemporal Models of Neural Activity
F. Cavallini *
A Fractal RBF Approach for Enhanced Surrogate Modeling of a Granular Flows
D. Kumar * , E. Spricigo , M. Putti , D. Pasetto , A. Larese
Modeling water distribution networks via the graph p-Laplacian operator
N. Segala , F. Marchetti * , M. Putti
Towards Gradient-Enhanced Surrogate Modeling for Groundwater Flow Problems
A. Bressan , S. Imperatore , F. Locatelli * , G. Loli , L. Tamellini

Tue, 02/09/2025
15:45 - 18:15
Room 128-129
MS027A

MS027A Advances in Surrogate and Reduced Order Models in Simulation Science

Main Organizer: Dr. Maria Strazzullo (Politecnico di Torino, Italy)

Chaired by: Dr. Maria Strazzullo (Politecnico di Torino, Italy) , Phd. Francesco Della Santa (Politecnico di Torino, Italy)

Accelerating Numerical Simulations in CFD by Model Reduction with Scientific and Physics-Informed Machine Learning
G. Rozza *
Adaptive Neural Networks for Reduced Order Modeling
D. Torlo * , F. Pichi
Surrogate models for diffusion on graphs via sparse polynomials
G. D'Inverno * , K. Ajavon , S. Brugiapaglia
Reduced Order Modeling for Advection-dominated and Turbulent Flows
D. Oberto * , M. Strazzullo , F. Pichi , S. Berrone , G. Rozza
Toward Non-Intrusive Reduced-Order Models for Stokes Problem in Geodynamical Applications
M. Ramadan * , F. Pichi , G. Rozza
A spatial filtering approach to model the small scale phenomena in turbulent flows
M. Girfoglio *

Tue, 02/09/2025
15:45 - 18:15
Room 133
MS041A

MS041A Efficient numerical methods for direct or inverse wave propagation problems

Main Organizer: Prof. Ilario Mazzieri (Politecnico di Milano, Italy)

Chaired by: Prof. Ilario Mazzieri (Politecnico di Milano, Italy) , Phd. Giulia Di Credico (University of Parma, Italy)

Keynote Advances in Time-Dependent Wave-Based Obstacle Identification Methods
D. Givoli * , D. Rabinovich , A. Sayag , E. Turkel
A Trefftz Continuous Galerkin Method for Helmholtz Problems
B. Després , N. Galante * , E. Parolin
Space-time Isogeometric analysis
G. Sangalli *
Optimized Red–Black Waveform Relaxation for the Damped Wave Equation
G. Cicalese * , G. Ciaramella , M. Gander , I. Mazzieri
Enhanced Higher-Order Multiscale Method for Wave Propagation
B. Kalyanaraman , S. Wang , F. Krumbiegel * , R. Maier
Structure-preserving LDG discretization of Fisher-Kolmogorov with application to neurodegenerative diseases
P. Antonietti , M. Corti * , S. Gómez , I. Perugia
Impact of Turbulent Tokamak Edge Plasma on Ion Cyclotron Wave Propagation and Absorption: A Stochastic 1D Model in a DTT Plasma Scenario
V. Francalanza * , A. Cardinali , C. Salvia , A. Pidatella , G. Mauro , B. Mishra , G. Torrisi , D. Mascali

Tue, 02/09/2025
15:45 - 18:15
Room 134
MS025

MS025 Dynamic and Adaptive Regularization for Signal Decomposition and Source Localization Problems

Main Organizer: Prof. Claudio Estatico (University of Genova, Italy)

Chaired by: Prof. Claudio Estatico (University of Genova, Italy) , Prof. Federico Benvenuto (Università degli Studi di Genova, Italy)

From iterative to direct: a journey in the signal decomposition of non-stationary data sets
R. Cavassi * , A. Cicone
Enhancing ASCAT with a Multi-Resolution, Data-Driven Framework for Patient-Specific Copy Number Profiling
G. Biddau , C. Razzetta * , L. Ferrando , S. Sommariva , G. Zoppoli , M. Piana
An Iterated ℓ2-ℓq Regularization Method
A. Buccini , M. Donatelli , M. Ratto * , L. Reichel
Bayesian Localization of the Irritative Zone in MEEG by Constrained Particle Filtering
V. Fiori * , G. Luria , A. Pascarella , A. Sorrentino
Convergence rates for Tikhonov regularization on compact sets: application to neural network
B. Palumbo *

Tue, 02/09/2025
15:45 - 18:15
Room 135
MS013

MS013 Mathematical and Computational Models for Tumor Evolution and Therapy

Main Organizer: Phd. Giulia Pozzi (Politecnico di Torino, Italy)

Chaired by: Phd. Giulia Pozzi (Politecnico di Torino, Italy) , Prof. Chiara Giverso (Politecnico di Torino, Italy)

Incorporating phenotypic heterogeneity into anisotropic brain tumour growth models
F. Ballatore * , X. Ruan , C. Giverso , T. Lorenzi
Patient-Specific Multiscale Modelling of Glioblastoma: Targeted Modulation of Interstitial Fluid Flow Using Electric Field
Z. Fulop * , R. penta
A Phenotype-Structured Mathematical Model for the Influence of Hypoxia on Oncolytic Virotherapy
D. Morselli * , G. Chiari , F. Frascoli , M. Delitala
The development of drug resistance in metastatic tumours under chemotherapy: An evolutionary perspective
F. Padovano * , C. Villa
Elastocapillarity-driven Surface Growth in Tumor Spheroids
D. Riccobelli *
Multiphase Biomechanical Simulation of Anisotropic Brain Tumour Growth: Predicting Tissue Deformation and Treatment Response
G. Lucci * , F. Ballatore , C. Giverso

Tue, 02/09/2025
15:45 - 18:15
Room 136
MS006

MS006 Advances in Mathematical Models for Epidemics and Population Dynamics

Main Organizer: Prof. Nicola Parolini (Politecnico di Milano , Italy)

Chaired by: Mr. Andrea Pugliese (Università di Trento, Italy) , Prof. Nicola Parolini (Politecnico di Milano , Italy)

Modeling Lotka-Volterra dynamics of interacting populations: A kinetic approach
A. Bondesan *
Aging among persons with HIV: developing numerical and data-driven tools for a growing health concern
A. Viguerie * , E. Iacomini
Modelling protective behaviour in response to mosquito-borne epidemics
A. Bizzotto , S. De Reggi * , A. Pugliese , M. Sabbatino , C. Soresina
Data-driven reconstruction of transmission rates in epidemiological models using Neural ODEs
G. Ziarelli *
Statistical physics approaches in population dynamics
G. Martalò * , G. Toscani , M. Zanella

Tue, 02/09/2025
18:30 - 20:00

Welcome Reception

Wed, 03/09/2025
08:30 - 09:30

Registration

Wed, 03/09/2025
09:30 - 10:15
Aula Magna

Plenary Lecture IV

Chaired by: Prof. Dimitri Breda (University of Udine (DMIF), Italy)

Recent advances on GPU accelerated shallow-water type models for landslide generated tsunamis
M. Castro Díaz *

Wed, 03/09/2025
10:15 - 10:45

Coffee Break

Wed, 03/09/2025
10:45 - 13:15
Aula Magna
MS002C

MS002C Advanced Numerical Methods and Algorithms for Differential and Integral Equations

Main Organizer: Dr. Gianluca Frasca-Caccia (University of Salerno, Italy)

Chaired by: Dr. Gianluca Frasca-Caccia (University of Salerno, Italy) , Prof. Angelamaria Cardone (University of Salerno, Italy)

Sparse Identification of Complex Models
D. Breda * , D. Conte , R. D'Ambrosio , I. Santaniello , M. Tanveer
On the stability of multistep IMEX methods for parabolic PDEs with delay
A. Tercero-Báez , J. Martín-Vaquero *
Accurate Boundary Discretization in Complex Domains Using High-Order Ghost Point Methods and Multigrid Solvers
A. Coco * , G. Russo
A Low-Rank solution for the first kind Fredholm integral equations based on Deep-QLP decomposition
A. Falini * , F. Mazzia , C. Tamborrino
A two-dimensional integral model to study some properties of the subsoil
F. Pes * , P. Diaz de Alba

Wed, 03/09/2025
10:45 - 13:15
Room 003
MS010

MS010 From Classical to Data-Driven: Modern Trends in Optimization and Regularization (Part 1)

Main Organizer: Dr. Danilo Pezzi (Università di Modena e Reggio Emilia, Italy)

Chaired by: Dr. Danilo Pezzi (Università di Modena e Reggio Emilia, Italy)

A line-search based SGD algorithm with Adaptive Importance Sampling
S. CRISCI , F. CAMELLINI , A. DE MAGISTRIS * , G. FRANCHINI
A stochastic gradient method with variance control and variable learning rate for Deep Learning
G. Franchini * , F. Porta , V. Ruggiero , I. Trombini , L. Zanni
Modeling Textile Drying with Heated Cylinders under Low Pressure
S. Bellavia , N. Fiorini * , A. Milazzo
Active inference and cognition: computational models of effort and awareness
R. Maramotti * , T. Parr , M. Tondelli , D. Ballotta , G. Zamboni , G. Pagnoni
Randomised Levenberg-Marquardt methods for nonlinear least-squares
S. Bellavia * , G. Malaspina , B. Morini
A block proximal heavy ball method with applications in Plug-and-Play approaches
A. Sebastiani * , F. Porta , S. Rebegoldi

Wed, 03/09/2025
10:45 - 13:15
Room 004
MS035A

MS035A Scientific Machine Learning for the Numerical Analysis of Large-Scale Complex and Multiscale Dynamical Systems

Main Organizer: Prof. Constantinos Siettos (University of Naples Federico II, Italy)

Chaired by: Prof. Constantinos Siettos (University of Naples Federico II, Italy)

Deep-QLP: A Low-Rank SVD Approximation for Scientific Machine Learning
F. Mazzia , A. Falini , C. Tamborrino *
A Comprehensive Bifurcation Analysis of the Fluidic Pinball Problem via Local Reduced Order Models and Linear Stability
A. Kabalan * , F. Pichi , G. Rozza
Explainable Machine Learning with Fredholm Neural Networks
K. Georgiou * , C. Siettos , A. Yannacopoulos
A stochastic perturbation approach to nonlinear bifurcating problems
I. Gonnella * , M. Khamlich , F. Pichi , G. Rozza
Deep-QLP decomposition: theoretical aspects and applications
A. Falini , F. Mazzia * , C. Tamborrino

Wed, 03/09/2025
10:45 - 13:15
Room 005
MS038B

MS038B Surrogates for complex parametric and time-dependent systems: bridging the gap between methods and applications

Main Organizer: Phd. Chiara Piazzola (Technical University of Munich, Germany)

Chaired by: Dr. Matteo Giacomini (CIMNE - Universitat Politècnica de Catalunya, Barcelona, Spain)

Multi-Index Stochastic Collocation for parametric PDEs with imperfect solvers
B. Kent , L. Tamellini * , M. Giacomini , A. Huerta
On Shells of Revolution with Random Profiles
H. Hakula , D. Khuat * , S. Giani
Discrete-Time PINNs for Solving PDEs Models
F. Colace , D. Conte , F. Giannino , G. Pagano * , B. Paternoster , C. Valentino
Building a surrogate model for coupled, time-dependent PDEs using Operator Networks for thermal applications
L. Rinaldi * , F. Marcuzzi , M. Dell'Orto , E. Caregnato

Wed, 03/09/2025
10:45 - 13:15
Room 128-129
MS027B

MS027B Advances in Surrogate and Reduced Order Models in Simulation Science

Main Organizer: Dr. Maria Strazzullo (Politecnico di Torino, Italy)

Chaired by: Phd. Francesco Della Santa (Politecnico di Torino, Italy) , Dr. Maria Strazzullo (Politecnico di Torino, Italy)

Richards Equation Modeling Using Scientific Machine Learning Methodology
S. Cuomo * , A. Bottino
A Continuous formulation of the Neural Approximated Virtual Element Method
S. Berrone , M. Pintore * , G. Teora
Non-intrusive mesh-free surrogate models for differential problems in domains of variable shape
F. Regazzoni * , D. Carrara , M. Hirschvogel , S. Pagani , S. Pezzuto , A. Quarteroni , L. Zhang
Implicit Neural Field Reconstruction on Complex Shapes from Scattered Data
D. Carrara * , M. Hirschvogel , F. Regazzoni , S. Pezzuto , S. Pagani
Uncertainty quantification analysis of bifurcations of PDEs with random coefficients
C. Piazzola *
Uncovering key predictive variables using a greedy feature selection strategy
S. Guastavino * , F. Camattari , E. Perracchione , F. Marchetti , M. Piana

Wed, 03/09/2025
10:45 - 13:15
Room 133
MS041B

MS041B Efficient numerical methods for direct or inverse wave propagation problems

Main Organizer: Prof. Ilario Mazzieri (Politecnico di Milano, Italy)

Chaired by: Prof. Chiara Guardasoni (University of Parma, Italy) , Prof. Alessandra Aimi (University of Parma, Italy)

FEM-BEM coupling with a substructured domain decomposition method
A. Boisneault , M. Bonazzoli * , X. Claeys , P. Marchand
Efficient Space-Time Energetic BEM for 3D Elastodynamics: Addressing Singular and Hypersingular Integral Challenges
L. Coppolino * , L. Desiderio
Time-Domain Boundary Element Methods for the Neumann Problem: A Stable Formulation for Sound Emissions
S. Schneider * , H. Gimperlein , C. Özdemir , K. Urban , B. Graf
Space-time Second-Kind Boundary Integral Equations for Transient Wave Problems
D. Hoonhout * , C. Úrzua-Torres
Energetic boundary element method on graded meshes for the numerical solution of mixed elastodynamic problems on 2D polygonal domains
A. Aimi , G. Di Credico * , H. Gimperlein , E. Stephan
A potential flow solver for time domain simulation of non linear water waves generated by bodies moving in calm sea or regular waves
A. Mola *

Wed, 03/09/2025
10:45 - 13:15
Room 134
MS004

MS004 Advancements in Time Evolution Operators in Scientific Machine Learning

Main Organizer: Mr. Matteo Caldana (Politecnico di Milano, Italy)

Chaired by: Mr. Matteo Caldana (Politecnico di Milano, Italy) , Dr. Giovanni Ziarelli (Università degli studi di Milano, Italy)

Data-driven Closure Strategies for Parametrized Reduced Order Models via Deep Operator Networks
A. Ivagnes * , G. Stabile , G. Rozza
A CNN-LSTM Approach for Parameter Estimation in a Time-Dependent PDE Model for Metal Battery Cycling
M. Quarta * , I. Sgura , R. Barreira , B. Bozzini
A Variational Bayesian Method for Autoregressive and Recurrent Models
D. Coscia * , M. Welling , N. Demo , G. Rozza
Learning High-dimensional Ionic Model Dynamics Using Fourier Neural Operators
L. Pellegrini * , M. Ghiotto , E. Centofanti , L. Pavarino
Scientific Machine Learning Approaches to Cardiac Inverse Problems for Reconstructing Stimuli and Ischemia from Pseudo-ECG
E. Centofanti * , G. Ziarelli , S. Scacchi
Cultural Heritage Conservation: a framework based on PINNs and ROMs
F. Colace , D. Conte , F. Pichi , G. Rozza , C. Valentino *

Wed, 03/09/2025
10:45 - 13:15
Room 135
MS008

MS008 Advances in Nonlocal Problems with Applications

Main Organizer: Dr. Sabrina Francesca Pellegrino (Politecnico di Bari, Italy)

Chaired by: Dr. Sabrina Francesca Pellegrino (Politecnico di Bari, Italy)

Nonlocal and Nonlinear Wave Propagation at Nanoscale: Application to Thermoelectricity
M. Di Domenico * , I. Carlomagno , A. Sellitto
Energy cascade in a semilinear peridynamics model
G. Fanizza *
Structure Preserving PINNs through Chebychev-Type Loss Functions
R. D'Ambrosio , F. Difonzo *
Data-driven Stochastic Spectral Modeling for Coarsening of the Two-dimensional Euler Equations on the sphere
S. Ephrati , P. Cifani , M. Viviani * , B. Geurts
Numerical Techniques for General Fractional Operators using Spectral Methods and Physics-Informed Neural Networks
P. Pranjivan Mehta * , G. Rozza
Minimization of Gibbs Free Energy for a Poisson–Boltzmann Problem
S. Ali * , K. Bohinc , A. Martinez , S. Maset

Wed, 03/09/2025
10:45 - 13:15
Room 136
MS014

MS014 Emerging trends in data processing & machine learning

Main Organizer: Prof. Damiana Lazzaro (University of Bologna, Italy)

Chaired by: Prof. Damiana Lazzaro (University of Bologna, Italy) , Dr. Monica Pragliola (University of Naples Federico II, Italy)

Emerging Trends in Signal Decomposition
A. Lanza * , L. Girometti , M. Huska , S. Morigi , S. Salti
An Unrolling-based Approach for Structure-Texture Image Decomposition
L. Girometti * , J. Aujol , A. Guennec , Y. Traonmilin
Truncated Huber Penalty for Sparse Signal Recovery with Convergence Analysis
L. Yang *
Diffusing Motion Artifacts for unsupervised correction in brain MRI images
P. Angella * , M. Santacesaria , V. Pastore
Physics-Informed Neural Networks for Modeling Coffee Extraction
A. barletta * , S. Cuomo
Full Equivariance in Score-Based Generative Models Towards Molecules and Materials Inverse Design
G. Trezza * , M. Uhrin

Wed, 03/09/2025
13:30 - 14:30

Lunch Break

Wed, 03/09/2025
14:30 - 15:15
Aula Magna

Plenary Lecture V

Chaired by: Prof. Elena De Angelis (Politecnico di Torino, Italy)

Quantum Systems with Zero-Range Interactions
A. Teta *

Wed, 03/09/2025
15:15 - 15:45

Coffee Break

Wed, 03/09/2025
15:45 - 17:25
Room 003
MS021

MS021 Mathematical and Computational Advances in Digital Twin Technology

Main Organizer: Dr. Pasquale Claudio Africa (SISSA International School for Advanced Studies, Italy)

Chaired by: Dr. Pasquale Claudio Africa (SISSA International School for Advanced Studies, Italy) , Dr. Federico Pichi (SISSA, Italy)

C⁰-DG Solver and Reduction Strategies for Orthotropic Plates on Elastic Foundations with Interface Contacts
A. Orunnukaran Mani * , F. Pichi , G. Noselli , G. Rozza
Learning 3D Signed Distance Functions for Automotive Performance Prediction
A. Dahdah * , N. Tonicello , F. Pichi , G. D'Inverno , G. Rozza
Simulation-Based Inference: Likelihood-free MCMC via Normalizing Flows and VAE
G. Bottacini * , M. Torzoni , A. Manzoni
A Software Library for Digital Twins Based on Probabilistic Graphical Models
L. Fabris * , M. Torzoni , M. Tezzele , A. Manzoni , G. Rozza

Wed, 03/09/2025
15:45 - 17:25
Room 004
MS035B

MS035B Scientific Machine Learning for the Numerical Analysis of Large-Scale Complex and Multiscale Dynamical Systems

Main Organizer: Prof. Constantinos Siettos (University of Naples Federico II, Italy)

Chaired by: Prof. Constantinos Siettos (University of Naples Federico II, Italy)

A data-driven study on Implicit LES using a spectral difference method
N. Clinco * , N. Tonicello , G. Rozza
Bifurcation Curve Detection with Deflation for Multi-parametric PDEs
N. Kumar * , F. Pichi , G. Rozza
From steady symmetric to chaotic regime: nonlinear manifold learning of fluidic pinball dynamics
A. Della Pia * , D. Patsatzis , L. Russo , C. Siettos
Why train Neural Operators for epochs when you can analyze in seconds? Empowering Equation-Free System-Level Analysis via RandONets
G. Fabiani * , C. Siettos , I. Kevrekidis

Wed, 03/09/2025
15:45 - 17:25
Room 005
MS042A

MS042A Numerical Modeling for Sustainability

Main Organizer: Prof. Raffaele D'Ambrosio (University of L'Aquila, Italy)

Chaired by: Prof. Raffaele D'Ambrosio (University of L'Aquila, Italy) , Prof. Dajana Conte (Università di Salerno, Italy)

Neumann-Neumann Type Domain Decomposition of Elliptic Problems on Metric Graphs
M. Kovács * , M. Vághy
Efficient solution of a morphochemical PDE model for pattern formation in batteries
I. Sgura * , M. Frittelli , M. D'Autilia
Fast Solution of a Corrosion Model Using Iterative Matrix-Oriented IMEX Methods
D. Conte , G. Frasca-Caccia * , B. Paternoster
Isogeometric Boundary Element Method with Hierarchical Matrices for 3D Helmholtz problems
L. Desiderio * , G. D'Inverno , M. Sampoli , A. Sestini

Wed, 03/09/2025
15:45 - 17:25
Room 128-129
MS030

MS030 PINN's and nonlocal models

Main Organizer: Prof. Giuseppe Fanizza (Università LUM, Italy)

Chaired by: Prof. Giuseppe Fanizza (Università LUM, Italy) , Dr. Fabio Difonzo (Università LUM Giuseppe Degennaro, Italy)

Time-Series Analysis and Learning Approaches for Soil Moisture Prediction in Precision Irrigation
L. Selicato , M. Bruni * , G. Vivaldi , V. Schiano di Cola , M. Vurro , M. Berardi
The approximation of the quadratic porous medium equation via nonlocal interacting particles
V. Iorio *
Virtual Element Method for Peridynamic Diffusion Problems
L. Lopez , S. Pellegrino * , G. Vacca
Inverse Physics-Informed Neural Networks for transport models in porous materials
M. Icardi , F. Difonzo , M. Berardi *

Wed, 03/09/2025
18:00 - 19:00

Public Lecture

Wed, 03/09/2025
20:00 - 22:30

Conference Dinner

Thu, 04/09/2025
08:30 - 09:30

Registration

Thu, 04/09/2025
09:30 - 10:15
Aula Magna

Plenary Lecture VI

Chaired by: Dr. Andrea Cangiani (SISSA, Italy)

Bayesian methods for Synthesis of Models and Data in Fluid Mechanics
P. Cinnella *

Thu, 04/09/2025
10:15 - 10:45

Coffee Break

Thu, 04/09/2025
10:45 - 13:15
Aula Magna
MS003A

MS003A Numerical and Analytical Approximation of Data and Functions with Applications (ANA&A)

Main Organizer: Prof. Dajana Conte (Università di Salerno, Italy)

Chaired by: Prof. Clemente Cesarano (Uninettuno University, Italy) , Prof. Alessandra De Rossi (University of Torino, Italy)

Algorithmic Aspects of Two-Step Spline Collocation for Fractional Differential Equations
A. Cardone * , B. Paternoster , D. Conte
The univariate multinode Shepard method for the Caputo fractional derivatives: from Approximation to the solution of Bagley-Torvik equation
F. Dell'Accio , F. Di Tommaso * , I. Ferrara
A Stable BIE Method for the Laplace Equation with Neumann Boundary Conditions in Planar Domains with Corners
P. Junghanns , C. Laurita *
Spectral Collocation Methods for Nonlocal Direct and Inverse Peridynamic Problems with Applications
F. Difonzo , L. Lopez , S. Pellegrino *
A Nystrom Method for 2D Fredholm-Hammerstein Integral Equations Defined on a Square
L. Fermo , A. Laguardia , C. Laurita , M. Russo *
Principles of Stochastic Geometric Integration in Action
R. D'Ambrosio * , S. Di Giovacchino

Thu, 04/09/2025
10:45 - 13:15
Room 003
MS032

MS032 Recent advancements in numerical methods and physical modelling of multi-material flows

Main Organizer: Phd. Niccolò Tonicello (International School for Advanced Studies, Italy)

Chaired by: Phd. Niccolò Tonicello (International School for Advanced Studies, Italy)

Non-equilibrium diffuse-interface two-pressure model for surface tension
I. Peshkov * , E. Romenski , M. Pavelka
Multi-phase numerical simulation of polymeric mixing
E. Capuano , N. Parolini *
The most likely nucleation pathways in multiphase fluctuating hydrodynamics
M. gallo * , F. Occhioni , R. Daniele , C. Casciola
Development of a consistent diffuse interface framework for phase-change at high-density ratios
L. Weber * , A. Mukherjee , A. Class , L. Brandt
Optimal transport-based reduced order modeling for two-phase flows
M. Khamlich , N. Tonicello * , F. Pichi , G. Rozza

Thu, 04/09/2025
10:45 - 13:15
Room 004
MS019

MS019 Linear and Nonlinear Inverse Problems and Their Applications

Main Organizer: Dr. Patricia Diaz de Alba (University of Cagliari, Italy)

Chaired by: Dr. Patricia Diaz de Alba (University of Cagliari, Italy) , Dr. Federica Pes (University of Cagliari, Italy)

Numerical treatment of first-kind integral equations
L. Fermo * , G. Rodriguez
Sparse regularisation for functional brain connectivity estimation from MEEG data: backtracking strategies and Plug-and-Play approaches
M. Lazzaretti * , L. Carini , I. Furci , S. Sommariva
On the Construction of Synthetic Petroglyphs
A. Buccini , E. Crabu *
A Fractional Graph La+Ψ approach to Image Reconstruction
S. Aleotti , M. Donatelli , R. Krause , P. Maurino *
Image Decomposition With G-Norm Weighted by Total Symmetric Variation
R. He , M. Huska * , H. Liu
A general framework for whiteness-based parameters selection in variational models
F. Bevilacqua , A. Lanza , M. Pragliola * , F. Sgallari

Thu, 04/09/2025
10:45 - 13:40
Room 005
MS042B

MS042B Numerical Modeling for Sustainability

Main Organizer: Prof. Raffaele D'Ambrosio (University of L'Aquila, Italy)

Chaired by: Prof. Dimitri Breda (University of Udine (DMIF), Italy)

Nonparametric Estimation of Noise Covariance in Parabolic SPDEs
A. Petersson *
Numerical structure-preserving issues for dissipative stochastic PDEs
H. Biscevic * , R. D'Ambrosio
Long-term numerical integration of stochastic Hamiltonian equations
R. D'Ambrosio , S. Di Giovacchino *
TASE methods for stochastic differential equations
D. Conte , R. D'Ambrosio , A. Montano * , B. Paternoster
Spectral Element Methods for Boundary-value Problems of Functional Differential Equations
A. Andò *
Pseudospectral approximation of Floquet multipliers for state-dependent delay differential equations
A. Andò , D. Breda , D. Liessi * , C. Tanase
Modeling Auxin Distribution in Plant Roots: a Homogenization-based Approach
F. Magni , N. Mondini * , V. Pederzoli , N. Ferro , D. Avitabile , S. Perotto

Thu, 04/09/2025
10:45 - 13:15
Room 128-129
MS037

MS037 Semi-Lagrangian Schemes for Partial Differential Equations in Applied Mathematics

Main Organizer: Prof. Adriano Festa (Politecnico of Turin, Italy)

Chaired by: Prof. Elisabetta Carlini (Sapienza University of Rome, Italy) , Prof. Adriano Festa (Politecnico of Turin, Italy)

Semi-Lagrangian Schemes in Image Processing
S. Tozza * , E. Carlini
Tensor-Train-Based Semi-Lagrangian Schemes for High-Dimensional Mean Field Games
E. Carlini , L. Saluzzi *
Variational approach to time--dependent first--order MFG systems
A. Siconolfi *
A Structure-Preserving Semi-Lagrangian Scheme for the Optimal Control of Production-Destruction Systems
S. Cacace , A. Oliviero * , M. Pezzella
On the construction of conservative semi-Lagrangian IMEX advection schemes for multiscale time dependent PDEs
W. Boscheri * , M. Tavelli , L. Pareschi
Approximation of viscous transport and conservative equations with one sided Lipschitz velocity fields
F. Camilli , A. Festa * , L. Marzufero

Thu, 04/09/2025
10:45 - 13:15
Room 133
MS039

MS039 From Classical to Data-Driven: Modern Trends in Optimization and Regularization (Part 2)

Main Organizer: Dr. Danilo Pezzi (Università di Modena e Reggio Emilia, Italy)

Chaired by: Dr. Simone Rebegoldi (Università degli studi di Modena e Reggio Emilia, Italy)

A model-based approach for the estimation of landslide thickness
L. Borgatti , D. Donati , L. Hu , G. Landi * , F. Zama
Learning from data via overparameterization
C. Molinari * , L. Rosasco , S. Villa , H. Labarriere , C. Vega
Alternate Through the Epochs Stochastic Gradient Training for Multi-Task Neural Networks
S. Bellavia , F. Della Santa * , A. Papini
Pros and Cons of Multiscale Procedures in Imaging and Inverse Problems
S. Rebegoldi , L. Rondi *
Rank Selection Strategies for AP Methods Applied to the Affine Rank Minimization Problem
M. Silei *
New acceleration strategies for gradient-based methods
S. Crisci *

Thu, 04/09/2025
10:45 - 13:15
Room 134
MS031

MS031 Preconditioning Techniques for Large-Scale Scientific Applications

Main Organizer: Prof. Angeles Martinez Calomardo (University of Trieste, Italy)

Chaired by: Prof. Angeles Martinez Calomardo (University of Trieste, Italy) , Prof. Bruno Carpentieri (Free University of Bozen-Bolzano, Italy)

An Augmented Lagrangian Preconditioner for a Runge--Kutta Discretization of Instationary Incompressible Viscous Fluid Flow Problems
S. Leveque * , Y. He , M. Olshanskii
Preconditioning Techniques for Elliptic Interface Problems Using Fictitious Domain Methods with Distributed Lagrange Multipliers
M. Benzi , M. Feder , L. Heltai , F. Mugnaioni *
Aggressive Coarsening through Energy Minimization for Large Scale CFD Simulations
C. Janna * , A. Alsalti Baldellou , A. Franceschini
Eigenvalue bounds for preconditioned symmetric multiple saddle-point matrices
L. Bergamaschi * , A. Martinez , J. Pearson , A. Potschka
Stability of a new Loosely Coupled Fluid-Structure Interaction Scheme in Hemodynamics
F. Renzi * , C. Vergara

Thu, 04/09/2025
10:45 - 13:15
Room 136
MS001

MS001 Advanced Numerical Methods and Machine Learning Techniques in Applied Science

Main Organizer: Ms. GRAZIA GARGANO (University of Bari Aldo Moro, Italy)

Chaired by: Ms. GRAZIA GARGANO (University of Bari Aldo Moro, Italy) , Mr. Gaetano Settembre (University of Bari Aldo Moro, Italy)

Bridging Scales in Multi-Lane Traffic Flow: Modeling, Stability, and Simulation
M. Piu * , G. Puppo , G. Visconti , M. Herty
Modeling Therapy Combinations for Glioblastoma Treatment
M. Conte *
A Multiscale Mathematical Model for CAR T-cell Trafficking and Interactions with B-cell Lymphoma
E. Campanile * , S. Sabir
Uncertainty quantification variational autoencoders for Bayesian inverse problems
A. Tonini * , L. Dede'
Bi- and Multi-Level Optimization Strategies for Sparse and Interpretable Learning in NMF
L. Selicato * , A. Ang , N. Del Buono , F. Esposito , R. Zdunek
A novel joint Tri NMF factorization model for multi-omics integration
N. Del Buono * , F. Esposito , G. Gargano

Thu, 04/09/2025
13:30 - 14:30

Lunch Break

Thu, 04/09/2025
14:30 - 15:30
Aula Magna

Industrial Session I

Territories and Ecosystems

Thu, 04/09/2025
15:30 - 16:00

Coffee Break

Thu, 04/09/2025
16:00 - 17:00

Industrial Session II

Industries and Start-ups

Thu, 04/09/2025
17:00 - 19:00
Aula Magna

SIMAI General Meeting

Fri, 05/09/2025
08:30 - 09:15

Registration

Fri, 05/09/2025
09:15 - 09:30
Aula Magna

Final Remarks

Fri, 05/09/2025
09:30 - 10:15
Aula Magna

Plenary Lecture VII

Chaired by: Prof. Angeles Martinez Calomardo (University of Trieste, Italy)

Topology shapes dynamics of higher-order networks
G. Bianconi *

Fri, 05/09/2025
10:15 - 10:45

Coffee Break

Fri, 05/09/2025
10:45 - 13:15
Aula Magna
MS003B

MS003B Numerical and Analytical Approximation of Data and Functions with Applications (ANA&A)

Main Organizer: Prof. Dajana Conte (Università di Salerno, Italy)

Chaired by: Prof. Dajana Conte (Università di Salerno, Italy)

Geometric Radial Mapping Embeddings for Particle Classification
P. Buitron * , C. Cesarano
A Residual Subsampling Algorithm for Adaptive Radial Basis Function Interpolation
R. Cavoretto *
A method for the descriptions of the solutions of a Grad-Shafranov equation by using Bessel functions
C. Cesarano *
Direct RBF-PU with Shape-Parameterized Kernels: A Scalable Approach for PDEs
R. Cavoretto , A. De Rossi , A. Haider *
On analogous representations for the Apostol-Euler polynomials and numbers of higher order
S. Hashemi *
On mixed-type Fibonacci-Mittag-Leffler and Lucas-Mittag-Leffler polynomials: some properties
W. Ramírez *

Fri, 05/09/2025
10:45 - 13:15
Room 003
MS022

MS022 Mechanobiology of Cell Migration: Insights from Mathematical Modelling

Main Organizer: Dr. Francesca Ballatore (Université Côte d'Azur, Italy)

Chaired by: Dr. Francesca Ballatore (Université Côte d'Azur, Italy) , Dr. David Morselli (University College London, United Kingdom)

Keynote Developing mechanobiochemical models for 2- and 3-D cell migration in confinement: A geometric bulk-surface PDE approach
A. Madzvamuse *
Modelling the impact of nuclear mechanics on cell migration in confined environments
C. Giverso * , G. Jankowiak , L. Preziosi
In Silico Modelling of the Mechanical Interplay Between Cell and Basement Membrane during Cancer Invasion
D. Hernandez-Aristizabal * , A. Madzvamuse , F. Luton , R. Allena
Discrete and Continuous Models of Cell Migration Induced by Tensotaxis
A. Colombi * , R. Marchello , L. Preziosi , C. Giverso
Mathematical Modelling of Cancer Spheroid Formation: A Hybrid Discrete-in-Continuous Approach
E. Braun * , G. Bretti , M. Menci , S. Preda , M. Semplice

Fri, 05/09/2025
10:45 - 13:15
Room 004
MS043

MS043 Innovative techniques for reduced order models in fluid dynamics

Main Organizer: Phd. Alessia Del Grosso (Inria Bordeaux, France)

Chaired by: Phd. Alessia Del Grosso (Inria Bordeaux, France) , Dr. Michele Giuliano Carlino (ONERA/INRIA, France)

Keynote Hybrid autoencoder/Galerkin approach for nonlinear reduced order modelling applied to computational fluid dynamics
C. Fiorini *
A Diffeomorphic Mapping Approach for Model Order Reduction in Aerodynamics
J. Labatut * , A. Iollo , T. Taddei , J. Chapelier
Optimization of Power Output in Darrieus Vertical Axis Wind Turbines using Machine Learning Surrogates
L. Balasso * , F. Dicech , A. Alaia
Multi-Fidelity Graph-Based ROMs for Parametrized Time-Dependent PDEs
F. Pichi * , Y. Chen , Z. Gao , G. Rozza
Collocation-based Model Order Reduction (cMOR): Analysis and Applications
M. Carlino * , A. Del Grosso , A. Iollo , D. Sipp

Fri, 05/09/2025
10:45 - 13:15
Room 005
MS007

MS007 Advances in Unfitted Methods for PDEs with Evolving Interfaces

Main Organizer: Prof. Armando Coco (Università di Catania, Italy)

Chaired by: Prof. Armando Coco (Università di Catania, Italy)

High order treatment of moving curved boundaries: Arbitrary Lagrangian Eulerian methods with a shifted boundary polynomials correction
M. Ciallella *
Efficient Numerical Schemes for Depth-Integrated Models of Geophysical Mass Flow Runout
F. Gatti * , C. de Falco , S. Perotto , L. Formaggia , M. Pastor
Ghost Finite Element Methods for Time-Dependent Problems on Moving Domains
H. Dilip * , A. Coco
Computational Modeling of Cell Migration in a Viscous Fluid Using Unfitted Finite Element Methods
M. Gatti * , H. Turlier , E. Neiva
Cut Finite Element Exterior Calculus
E. Nilsson * , D. Di Pietro , J. Droniou
A Mass-Conserving Unfitted Method for a Multiphase Cascaded Lattice Boltzmann Scheme with Entropic Stabilization
M. Loffredo Senesi * , A. Coclite , M. Dassisti

Fri, 05/09/2025
10:45 - 13:15
Room 128-129
MS005

MS005 Advances and applications of Radial Basis Function-based meshless methods

Main Organizer: Phd. Riccardo Zamolo (University of Trieste, Italy)

Chaired by: Phd. Riccardo Zamolo (University of Trieste, Italy) , Phd. Luca Bacer (University of Trieste, Italy)

Towards a numerical model of the respiratory mechanics
E. Larsson * , R. Cao , A. Michael , U. Sundin , I. Tominec , P. Villard , N. Cacciani
A meshless method for computational electromagnetics with improved dispersion properties
A. Kolar-Požun * , G. Kosec
Adaptive RBF-FD Meshless Solution of Two-Phase Flow Problems via Phase-Field Approach
R. Zamolo * , L. Bacer , M. Munerato , E. Nobile
Application of Local Radia Basis Function Collocation Method in Through-Process Modelling of Steel Production Path
B. Šarler * , I. Ali , T. Dobravec , U. Hanoglu , M. Kovačič , Q. Liu , B. Mavrič , K. Mramor , R. Vertnik , G. Vuga
RBF-FD Meshless Solution of 3D Fluid Flow and Heat Transfer in TPMS-based Heat Exchangers
L. Bacer * , R. Zamolo , M. Munerato , E. Nobile

SIMAI 2025

Programme