Binomial and Poisson distributions as maximum entropy distributions
IEEE Transactions on Information Theory
Entropy and the law of small numbers
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Generalized Entropy Power Inequalities and Monotonicity Properties of Information
IEEE Transactions on Information Theory
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The Poisson distribution is known to have maximal entropy among all distributions (on the nonnegative integers) within a natural class. Interestingly, straight forward attempts to generalize this result to general compound Poisson distributions fail because the analogous result is not true in general. However, we show that the compound Poisson does indeed have a natural maximum entropy characterization when the distributions under consideration are log-concave. This complements the recent development by the same authors of an information-theoretic foundation for compound Poisson approximation inequalities and limit theorems.