ResearchBenchmarksSparse covariance estimation (Upper Bound) on k-sparse covariance model Problem 1Sparse covariance estimation (Upper Bound) on k-sparse covariance model Problem 1Follow2Sample ComplexityBL091.91.9522.05Jun 20, 2026Evaluation resultsMethodMethodLinksSample ComplexityBL09Privacy Setting=Non-Pr...Privacy Setting=Non-Private2026.062Theorem 1Privacy Setting=Approx...Privacy Setting=Approximate (ϵ, δ)-DP2026.062WX21Privacy Setting=Approx...Privacy Setting=Approximate (ϵ, δ)-DP2026.062