Multigrid preconditioners for anisotropic space-fractional diffusion equations. - Marco Donatelli; Rolf Krause; Mariarosa Mazza; Ken Trotti (Adv. Comput. Math., 2020)

A smoothing analysis for multigrid methods applied to tempered fractional problems. - Danyal Ahmad; Marco Donatelli; Mariarosa Mazza; Stefano Serra-Capizzano; Ken Trotti (CoRR, 2022)

Matrices associated to two conservative discretizations of Riesz fractional operators and related multigrid solvers. - Marco Donatelli; Rolf Krause; Mariarosa Mazza; Matteo Semplice; Ken Trotti (Numer. Linear Algebra Appl., 2022)

A domain splitting strategy for solving PDEs. - Ken Trotti (CoRR, 2023)

Parallel Trust-Region Approaches in Neural Network Training: Beyond Traditional Methods. - Ken Trotti; Samuel A. Cruz Alegría; Alena Kopanicáková; Rolf Krause (CoRR, 2023)

A note on the convergence of multigrid methods for the Riesz-space equation and an application to image deblurring. - Danyal Ahmad; Marco Donatelli; Mariarosa Mazza; Stefano Serra-Capizzano; Ken Trotti (CoRR, 2024)

Multigrid for two-sided fractional differential equations discretized by finite volume elements on graded meshes. - Marco Donatelli; Rolf Krause; Mariarosa Mazza; Ken Trotti (J. Comput. Appl. Math., 2024)

Data-Parallel Neural Network Training via Nonlinearly Preconditioned Trust-Region Method. - Samuel A. Cruz Alegría; Ken Trotti; Alena Kopanicáková; Rolf Krause (CoRR, 2025)