21 April 2026
Our last preprint "High-fidelity and network-based spatio-temporal mathematical models of Alzheimer's disease progression and their validation against PET-SUVR imaging data" from B. Caon, F. Bonizzoni, P.F. Antonietti, and me is now out on ArXiv and MOX Report.
Mathematical models provide a valuable quantitative tool for monitoring Alzheimer's disease progression. In this work, we proposed and compare a novel framework where the spatio-temporal dynamics of amyloid-beta and tau proteins is modeled based on employing either three-dimensional patient-specific geometries or through reduced network-based models defined on the brain connectome. A sensitivity analysis is presented to quantify the influence of model parameters on protein concentration patterns as well as compare the quality of the predictions. For both approaches, the results are validated against PET-SUVR clinical data using 18FAZD4694 for amyloid-beta and 18FMK6240 for tau protein.
13 April 2026
I am delighted to announce that I have been awarded, ex aequo, the 2026 GBMA Award for Best PhD Thesis in Theoretical and Applied Biomechanics. The award was presented on April 13, 2026, during the GBMA–GMA Best PhD Thesis Competition.
The prize is conferred by the Biomechanics Group (GBMA) of the Italian Association of Theoretical and Applied Mechanics (AIMETA). The evaluation committee selected my thesis "Mathematical Models and Numerical Methods for Neurodegenerative Diseases" for its originality and innovative contribution to the development of computational methodologies for modeling complex biological systems.
As part of the award, I will be invited to present my scientific results in a plenary session at the upcoming AIMETA Conference.
14 January 2026
Our last preprint "A whole-brain model of amyloid beta accumulation and cerebral hypoperfusion in Alzheimer's disease" from A. Ahern, A. Goriely, E. Kuhl, P.F. Antonietti, and me is now out on ArXiv and MOX Report.
Evidence suggests that amyloid beta and cerebrovascular pathology are mutually reinforcing; in particular, amyloid beta suppresses perfusion by constricting capillaries, and hypoperfusion promotes the production of amyloid beta. Here, we propose a whole-brain model coupling amyloid beta and blood vessel through a hybrid model consisting of a reaction-diffusion system for the protein dynamics and porous-medium model of blood flow within and between vascular networks. Simulations in realistic brain geometries demonstrate the emergence of multistability, implying that a sufficiently large pathogenic protein seeds is necessary to trigger disease outbreak. Motivated by the "two-hit vascular hypothesis" of Alzheimer's disease that hypoperfusive vascular damage triggers amyloid beta pathology, we also demonstrate that localized hypoperfusion, in response to injury, can destabilize the healthy steady state and trigger brain-wide disease outbreak.
13 January 2026
Our last preprint, "On the Compact Discontinuous Galerkin method for polytopal meshes", from S. Gómez and me is now out on ArXiv and MOX Report.
In this work, we present the stability and convergence analysis for the hp-version of this method applied to elliptic problems on polytopal meshes. Moreover, we introduce fast and practical algorithms that allow the CDG, LDG, and BR2 methods to be implemented within a unified framework.
29 December 2025
Check out the latest article from C.B. Leimer Saglio, S. Pagani, P.F. Antonietti, and me, "A high-order discontinuous Galerkin method for the numerical modeling of epileptic seizures" recently published in Computers & Mathematics with Applications.
This work employs the monodomain model, coupled with specific models characterizing ion concentration dynamics, to mathematically describe brain tissue electrophysiology at the organ scale. This multiscale model is discretized in space with the high-order discontinuous Galerkin method on polygonal and polyhedral grids.