arXiv Machine Learning By Xi Chen, Yuze Chen, Shibo Dai, Yuan Zhou

AdaSwitch: An Adaptive Switching Meta-Algorithm for Learning-Augmented Bounded-Influence Problems

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The paper introduces AdaSwitch, a meta‑algorithm for history‑dependent online problems where predictions of future requests may be inaccurate. It operates within a bounded‑influence framework, where past decisions only affect future optimal values by a limited amount, and it adaptively switches between offline and online oracles. AdaSwitch guarantees expected performance that improves as prediction error shrinks or the offline optimum grows, while maintaining a near‑optimal worst‑case bound under arbitrary predictions. The authors demonstrate its applicability to online lead‑time quotation, k‑server and caching, and online reusable resource allocation for both reward maximization and cost minimization.

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arXiv Machine Learning
Jun 26

Blackwell Approachability and Gradient Equilibrium are Equivalent

arXiv:2606. 27315v1 Announce Type: new Abstract: Gradient equilibrium (GEQ) is a recently introduced online optimization framework that generalizes first-order stationarity from offline optimization and abstracts problems like online conformal prediction.

By Brian W. Lee, Nika Haghtalab, Michael I. Jordan, Ryan J. Tibshirani