Stefano Massei

41 papers C 1Journal 40

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Computing the density of the Kesten-Stigum limit in supercritical Galton-Watson processes. CoRR Alice Cortinovis, Sophie Hautphenne, Stefano Massei
2025	J	`jnl`	Error formulas for block rational Krylov approximations of matrix functions. CoRR Stefano Massei, Leonardo Robol
2025	J	`jnl`	On the convergence of the gradient descent method with stochastic fixed-point rounding errors under the Polyak-Łojasiewicz inequality. Comput. Optim. Appl. Lu Xia, Stefano Massei, Michiel E. Hochstenbach
2025	J	`jnl`	Optimal polynomial smoothers for parallel AMG. Numer. Algorithms Pasqua D'Ambra, Fabio Durastante, Salvatore Filippone, Stefano Massei, Stephen Thomas
2024	J	`jnl`	On Stochastic Roundoff Errors in Gradient Descent with Low-Precision Computation. J. Optim. Theory Appl. Lu Xia, Stefano Massei, Michiel E. Hochstenbach, Barry Koren
2024	J	`jnl`	On the data-sparsity of the solution of Riccati equations with applications to feedback control. CoRR Stefano Massei, Luca Saluzzi
2024	J	`jnl`	Optimal Polynomial Smoothers for Parallel AMG. CoRR Pasqua D'Ambra, Fabio Durastante, Salvatore Filippone, Stefano Massei, Stephen Thomas
2024	J	`jnl`	Reduced Order Modeling for Thermal Simulations of Electric Components With Surface-to-Surface Radiation. IEEE Access Matteo Zorzetto, Riccardo Torchio, Francesco Lucchini, Stefano Massei, Leonardo Robol, Fabrizio Dughiero
2023	J	`jnl`	A nested divide-and-conquer method for tensor Sylvester equations with positive definite hierarchically semiseparable coefficients. CoRR Stefano Massei, Leonardo Robol
2023	J	`jnl`	AdamL: A fast adaptive gradient method incorporating loss function. CoRR Lu Xia, Stefano Massei
2023	J	`jnl`	Improved ParaDiag via low-rank updates and interpolation. Numerische Mathematik Daniel Kressner, Stefano Massei, Junli Zhu
2023	J	`jnl`	On the Convergence of the Gradient Descent Method with Stochastic Fixed-point Rounding Errors under the Polyak-Lojasiewicz Inequality. CoRR Lu Xia, Michiel E. Hochstenbach, Stefano Massei
2023	J	`jnl`	Optimizing network robustness via Krylov subspaces. CoRR Stefano Massei, Francesco Tudisco
2022	J	`jnl`	Divide-and-Conquer Methods for Functions of Matrices with Banded or Hierarchical Low-Rank Structure. SIAM J. Matrix Anal. Appl. Alice Cortinovis, Daniel Kressner, Stefano Massei
2022	J	`jnl`	Hierarchical adaptive low-rank format with applications to discretized partial differential equations. Numer. Linear Algebra Appl. Stefano Massei, Leonardo Robol, Daniel Kressner
2022	J	`jnl`	Improved parallel-in-time integration via low-rank updates and interpolation. CoRR Daniel Kressner, Stefano Massei, Junli Zhu
2022	J	`jnl`	Mixed Precision Recursive Block Diagonalization for Bivariate Functions of Matrices. SIAM J. Matrix Anal. Appl. Stefano Massei, Leonardo Robol
2022	J	`jnl`	On the influence of roundoff errors on the convergence of the gradient descent method with low-precision floating-point computation. CoRR Lu Xia, Stefano Massei, Michiel E. Hochstenbach, Barry Koren
2021	J	`jnl`	Compress-and-restart block Krylov subspace methods for Sylvester matrix equations. Numer. Linear Algebra Appl. Daniel Kressner, Kathryn Lund, Stefano Massei, Davide Palitta
2021	J	`jnl`	Divide and conquer methods for functions of matrices with banded or hierarchical low-rank structure. CoRR Alice Cortinovis, Daniel Kressner, Stefano Massei
2021	J	`jnl`	Hierarchical adaptive low-rank format with applications to discretized PDEs. CoRR Stefano Massei, Leonardo Robol, Daniel Kressner
2021	J	`jnl`	Mixed precision recursive block diagonalization for bivariate functions of matrices. CoRR Stefano Massei, Leonardo Robol
2020	J	`jnl`	A Computational Framework for Two-Dimensional Random Walks With Restarts. SIAM J. Sci. Comput. Dario A. Bini, Stefano Massei, Beatrice Meini, Leonardo Robol
2020	J	`jnl`	A Low-Rank Technique for Computing the Quasi-Stationary Distribution of Subcritical Galton-Watson Processes. SIAM J. Matrix Anal. Appl. Sophie Hautphenne, Stefano Massei
2020	J	`jnl`	Certified and fast computations with shallow covariance kernels. CoRR Daniel Kressner, Jonas Latz, Stefano Massei, Elisabeth Ullmann
2020	J	`jnl`	Compress-and-restart block Krylov subspace methods for Sylvester matrix equations. CoRR Daniel Kressner, Kathryn Lund, Stefano Massei, Davide Palitta
2020	J	`jnl`	Low-rank updates and divide-and-conquer methods for quadratic matrix equations. Numer. Algorithms Daniel Kressner, Patrick Kürschner, Stefano Massei
2020	C	`conf`	Quasi-Optimal Sampling to Learn Basis Updates for Online Adaptive Model Reduction with Adaptive Empirical Interpolation. ACC Alice Cortinovis, Daniel Kressner, Stefano Massei, Benjamin Peherstorfer
2020	J	`jnl`	Some algorithms for maximum volume and cross approximation of symmetric semidefinite matrices. CoRR Stefano Massei
2020	J	`jnl`	hm-toolbox: MATLAB Software for HODLR and HSS Matrices. SIAM J. Sci. Comput. Stefano Massei, Leonardo Robol, Daniel Kressner
2019	J	`jnl`	A computational framework for two-dimensional random walks with restarts. CoRR Dario A. Bini, Stefano Massei, Beatrice Meini, Leonardo Robol
2019	J	`jnl`	Fast Solvers for Two-Dimensional Fractional Diffusion Equations Using Rank Structured Matrices. SIAM J. Sci. Comput. Stefano Massei, Mariarosa Mazza, Leonardo Robol
2019	J	`jnl`	Low-Rank Updates and a Divide-And-Conquer Method for Linear Matrix Equations. SIAM J. Sci. Comput. Daniel Kressner, Stefano Massei, Leonardo Robol
2019	J	`jnl`	Low-rank updates and divide-and-conquer methods for quadratic matrix equations. CoRR Daniel Kressner, Patrick Kürschner, Stefano Massei
2019	J	`jnl`	On maximum volume submatrices and cross approximation for symmetric semidefinite and diagonally dominant matrices. CoRR Alice Cortinovis, Daniel Kressner, Stefano Massei
2019	J	`jnl`	Quasi-Toeplitz matrix arithmetic: a MATLAB toolbox. Numer. Algorithms Dario A. Bini, Stefano Massei, Leonardo Robol
2019	J	`jnl`	Rational Krylov for Stieltjes matrix functions: convergence and pole selection. CoRR Stefano Massei, Leonardo Robol
2019	J	`jnl`	hm-toolbox: Matlab software for HODLR and HSS matrices. CoRR Stefano Massei, Leonardo Robol, Daniel Kressner
2018	J	`jnl`	On quadratic matrix equations with infinite size coefficients encountered in QBD stochastic processes. Numer. Linear Algebra Appl. Dario A. Bini, Stefano Massei, Beatrice Meini, Leonardo Robol
2018	J	`jnl`	Semi-infinite quasi-Toeplitz matrices with applications to QBD stochastic processes. Math. Comput. Dario A. Bini, Stefano Massei, Beatrice Meini
2018	J	`jnl`	Solving Rank-Structured Sylvester and Lyapunov Equations. SIAM J. Matrix Anal. Appl. Stefano Massei, Davide Palitta, Leonardo Robol