Preprint
Aug 2026
Randomized Tucker-Sketched GMRES
Two randomized algorithms within the sketched GMRES framework that replace full Arnoldi orthogonalization with short recurrences are proposed, providing robustness across a wide range of problems and outperform standard low-rank Tucker solvers in symmetric and non-symmetric settings.
Alberto Bucci, Martina Iannacito, M. Pasha et al.
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