Contact Geometry and Covariance Deficits in Volume-Sampled Least Squares
cs.LG, stat.ML
Submitted: 2026-08-27
Updated: 2026-10-06
Terminology
Sources
- The Schur-Horn theorem for operators and frames with prescribed norms and frame operator
- Expansions from frame coefficients with erasures
- Adaptive randomized pivoting and volume sampling
- Reduced Label Complexity For Tight $\ell_2$ Regression
- Debiasing Random Oblique Projections for Subsampled OLS and Fast CUR in High Dimensions
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