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math.NA2026
Randomized Tensor Krylov Subspace Methods via Sketched Einstein Product with Applications to Image and Video Restoration
Achraf Badahmane
We develop a randomized extension of tensor Krylov subspace methods based on the Einstein product for solving large-scale multilinear systems arising in image and video restoration…
math.NA2026
A randomized global GMRES method for matrix equations
Achraf Badahmane, Issa Ezzagouri, Xian-Ming GU
In this paper, we develop a new Randomized Global Generalized Minimum Residual (RGlGMRES) algorithm for efficiently computing solutions to large scale linear systems with multiple…