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stat.ML2026
Operationalizing Stein's Method for Online Linear Optimization: CLT-Based Optimal Tradeoffs
Zhiyu Zhang, Aaditya Ramdas
Adversarial online linear optimization (OLO) is essentially about making performance tradeoffs with respect to the unknown difficulty of the adversary. In the setting of one-dimens…
stat.ML2025
Sparsity-Based Interpolation of External, Internal and Swap Regret
Zhou Lu, Y. Jennifer Sun, Zhiyu Zhang
Focusing on the expert problem in online learning, this paper studies the interpolation of several performance metrics via -regret minimization, which measures the total loss of…