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stat.ML2026
NS-RGS: Newton-Schulz based Riemannian gradient method for orthogonal group synchronization
Haiyang Peng, Deren Han, Xin Chen +1
Group synchronization is a fundamental task involving the recovery of group elements from pairwise measurements. For orthogonal group synchronization, the most common approach refo…
stat.ML2026
Scaled Gradient Descent for Ill-Conditioned Low-Rank Matrix Recovery with Optimal Sampling Complexity
Zhenxuan Li, Meng Huang
The low-rank matrix recovery problem seeks to reconstruct an unknown rank- matrix from linear measurements, where . This problem has been exten…