conftrace_

inversion bia

2 papers

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Co-occurring keywords · papers mentioning both

local convergence rate (1) hadamar transform (1) leverage-based (1) random sampling matrices (1) sub-gaussian random embedding (1) convex concentration (1) random quadratic form (1) subsampled newton (1) sketching matrix (1) quadratic form (1)

Papers

Fundamental Bias in Inverting Random Sampling Matrices with Application to Sub-sampled Newton ICML 2025 Sparse sketches with small inversion bias COLT 2021