ConferenceJournalIn Journal of Machine Learning Research (JMLR), 2012. Also in proceedings of 23rd Annual Conference on Neural Information Processing Systems (NeurIPS), 2009
ConferenceJournalIn Journal of Machine Learning Research (JMLR), 2011. Also in proceedings of 20th ACM-SIAM Symposium on Discrete Algorithms (SODA), 2009
ConferenceJournalIn Mathematical Finance, 2012. Originally appeared as "On Stochastic and Worst-case Models for Investing" in proceedings of 23rd Annual Conference on Neural Information Processing Systems (NeurIPS), 2009
ConferenceJournalIn SIAM Journal on Computing (SICOMP), 2014. Also in proceedings of 49th Annual IEEE Symposium on Foundations of Computer Science (FOCS), 2008
ConferenceJournalTech ReportIn SIAM Journal on Computing (SICOMP), 2011. Also appeared as ECCC Report TR07-131 and in proceedings of 35th International Colloquium on Automata, Languages and Programming (ICALP), 2008
ConferenceJournalIn Machine Learning Journal (MLJ), 2007. An earlier version with Adam Kalai appeared in proceedings of 19th Conference on Learning Theory (COLT), 2006
ConferenceJournalIn SIAM Journal on Computing (SICOMP), 2010. Also in proceedings of 45th Annual IEEE Symposium on Foundations of Computer Science (FOCS), 2004