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math.NA2025
Accelerating a restarted Krylov method for matrix functions with randomization
Nicolas L. Guidotti, Per-Gunnar Martinsson, Juan A. Acebrón +1
Many scientific applications require the evaluation of the action of a matrix function on a vector, and Krylov subspace methods are the most common ones for this task. Since the or…
math.NA2023★ 5 cited
A Stochastic Method for Solving Time-Fractional Differential Equations
Nicolas L. Guidotti, Juan Acebrón, José Monteiro
We present a stochastic method for efficiently computing the solution of time-fractional partial differential equations (fPDEs) that model anomalous diffusion problems of the subdi…