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math.NA2026
Precision-induced Adaptive Randomized Low-Rank Approximation for SVD and Matrix Inversion
Weiwei Xu, Weijie Shen, Zhengjian Bai +1
Singular value decomposition (SVD) and matrix inversion are ubiquitous in scientific computing. Both tasks are computationally demanding for large scale matrices. Existing algorith…
math.OC2026
Progressive Power Homotopy for Non-convex Optimization
Chen Xu
We propose a novel first-order method for non-convex optimization of the form , termed Progressi…