Stefano Massei

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Publications

• Computing the Density of the Kesten–Stigum Limit in Supercritical Galton–Watson Processes (Cortinovis, Alice; Hautphenne, Sophie; Massei, Stefano - 2026 - 1.1 Articolo in rivista)
• Influence of Hyperparameters on the Convergence of Adam Under the Polyak-Lojasiewicz Inequality (Xia, Lu; Massei, Stefano - 2025 - 4.1 Contributo in Atti di convegno)
• On the convergence of the gradient descent method with stochastic fixed-point rounding errors under the Polyak–Lojasiewicz inequality (Xia, Lu; Massei, Stefano; Hochstenbach, Michiel E. - 2025 - 1.1 Articolo in rivista)
• Optimal polynomial smoothers for parallel AMG (D'Ambra, Pasqua; Durastante, Fabio; Filippone, Salvatore; Massei, Stefano; Thomas, Stephen - 2025 - 1.1 Articolo in rivista)
• Reduced Order Modeling for Thermal Simulations of Electric Components With Surface-to-Surface Radiation (Zorzetto, Matteo; Torchio, Riccardo; Lucchini, Francesco; Massei, Stefano; Robol, Leonardo; Dughiero, Fabrizio - 2024 - 1.1 Articolo in rivista)
• Optimizing network robustness via Krylov subspaces (Massei, Stefano; Tudisco, Francesco - 2024 - 1.1 Articolo in rivista)
• A nested divide-and-conquer method for tensor Sylvester equations with positive definite hierarchically semiseparable coefficients (Massei, Stefano; Robol, Leonardo - 2023 - 1.1 Articolo in rivista)
• On Stochastic Roundoff Errors in Gradient Descent with Low-Precision Computation (Xia, L.; Massei, S.; Hochstenbach, M. E.; Koren, B. - 2023 - 1.1 Articolo in rivista)
• Improved ParaDiag via low-rank updates and interpolation (Kressner, D.; Massei, S.; Zhu, J. - 2023 - 1.1 Articolo in rivista)
• Divide-and-Conquer Methods for Functions of Matrices with Banded or Hierarchical Low-Rank Structure (Cortinovis, A; Kressner, D; Massei, S - 2022 - 1.1 Articolo in rivista)
• Hierarchical adaptive low-rank format with applications to discretized partial differential equations (Massei, S; Robol, L; Kressner, D - 2022 - 1.1 Articolo in rivista)
• Mixed Precision Recursive Block Diagonalization for Bivariate Functions of Matrices (Massei, S.; Robol, L. - 2022 - 1.1 Articolo in rivista)
• Some algorithms for maximum volume and cross approximation of symmetric semidefinite matrices (Massei, S. - 2022 - 1.1 Articolo in rivista)
• Compress-and-restart block Krylov subspace methods for Sylvester matrix equations (Kressner, D.; Lund, K.; Massei, S.; Palitta, D. - 2021 - 1.1 Articolo in rivista)
• CERTIFIED AND FAST COMPUTATIONS WITH SHALLOW COVARIANCE KERNELS (Kressner, D; Latz, J; Massei, S; Ullmann, E - 2020 - 1.1 Articolo in rivista)

All publications by Stefano Massei on ARPI, the Research Archive of the University of Pisa