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Hellinger volume and number-on-the-forehead communication complexity
2016
Journal of computer and system sciences (Print)
Information-theoretic methods are a powerful tool in communication complexity, providing, in particular, elegant and tight lower bounds on disjointness in the number-in-the-hand (NIH) model. In this paper, we study the applicability of information theoretic methods to the multi-party number-on-the-forehead model (NOF). The lower bound on disjointness in the NIH model has two parts: a direct sum theorem and a lower bound on the one-bit AND function using a beautiful connection between Hellinger
doi:10.1016/j.jcss.2016.03.005
fatcat:5nm6jokpc5fnjeqw5szwii4n54