Selected Papers
Computation-Utility-Privacy Tradeoffs in Bayesian Estimation
Sitan ChenJingqiu DingMahbod MajidWalter McKelvie
Symposium on the Theory of Computing (STOC), 2026.
Settling Pure Differentially Private Covariance Estimation
Tommaso D'OrsiWalter McKelvieGleb Novikov
Manuscript, 2026. Under review for ICML 2026.
Mean Estimation over R: Optimal Sub-Gaussianity with Outlier Robustness and Low Moments Performance
Jasper C.H. LeeWalter McKelvieMaoyuan SongPaul Valiant
International Conference on Machine Learning (ICML), 2025. Spotlight paper selected for oral presentation.
Accountable Secret Leader Election
Miranda ChristKevin ChoiWalter McKelvieJoseph BonneauTal Malkin
Advances in Financial Technology (AFT), 2024.
Improving Pearson's chi-squared test: hypothesis testing of distributions - optimally
Trung DangWalter McKelviePaul ValiantHongao Wang
Manuscript, 2023.