Random Walk Approach to Regret Minimization

Part of Advances in Neural Information Processing Systems 23 (NIPS 2010)

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Authors

Hariharan Narayanan, Alexander Rakhlin

Abstract

<p>We propose a computationally efficient random walk on a convex body which rapidly mixes to a time-varying Gibbs distribution. In the setting of online convex optimization and repeated games, the algorithm yields low regret and presents a novel efficient method for implementing mixture forecasting strategies.</p>