Dylan J. Foster, Alexander Rakhlin, Karthik Sridharan. Online Learning: Sufficient Statistics and the Burkholder Method. In Sébastien Bubeck, Vianney Perchet, Philippe Rigollet, editors, Conference On Learning Theory, COLT 2018, Stockholm, Sweden, 6-9 July 2018. Volume 75 of Proceedings of Machine Learning Research, pages 3028-3064, PMLR, 2018. [doi]
Abstract is missing.