no code implementations • 22 Apr 2017 • Constantinos Daskalakis, Nishanth Dikkala, Nick Gravin
We initiate the study of Markov chain testing, assuming access to a single trajectory of a Markov Chain.
no code implementations • 11 Jul 2016 • Nick Gravin, Yuval Peres, Balasubramanian Sivan
We study the fundamental problem of prediction with expert advice and develop regret lower bounds for a large family of algorithms for this problem.
no code implementations • 10 Sep 2014 • Nick Gravin, Yuval Peres, Balasubramanian Sivan
Further, we show that the optimal algorithm for $2$ and $3$ experts is a probability matching algorithm (analogous to Thompson sampling) against a particular randomized adversary.