Randomized Iterative Solver as Iterative Refinement: A Simple Fix Towards Backward Stability. - Ruihan Xu 005; Yiping Lu (AISTATS, 2025)

What is a Sketch-and-Precondition Derivation for Low-Rank Approximation? Inverse Power Error or Inverse Power Estimation? - Ruihan Xu 005; Yiping Lu (CoRR, 2025)