Entropy and Convergence on Compact Groups

Research output: Contribution to journalArticle (Academic Journal)peer-review

10 Citations (Scopus)


We investigate the behaviour of the entropy of convolutions of independent random variables on compact groups. We provide an explicit exponential bound on the rate of convergence of entropy to its maximum. Equivalently, this proves convergence of the density to uniformity, in the sense of Kullback–Leibler. We prove that this convergence lies strictly between uniform convergence of densities (as investigated by Shlosman and Major), and weak convergence (the sense of the classical Ito–Kawada theorem). In fact it lies between convergence in L 1+epsilon and convergence in L1.
Translated title of the contributionEntropy and Convergence on Compact Groups
Original languageEnglish
Pages (from-to)843 - 857
Number of pages15
JournalJournal of Theoretical Probability
Publication statusPublished - 2000


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