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cs.DS2026
Simultaneous Blackwell Approachability and Applications to Multiclass Omniprediction
Lunjia Hu, Kevin Tian, Chutong Yang
Omniprediction is a learning problem that requires suboptimality bounds for each of a family of losses against a family of comparator predictors . We ini…
cs.DS2025
Private Geometric Median in Nearly-Linear Time
Syamantak Kumar, Daogao Liu, Kevin Tian +1
Estimating the geometric median of a dataset is a robust counterpart to mean estimation, and is a fundamental problem in computational geometry. Recently, [HSU24] gave an $(\vareps…