On the Maximum Entropy Properties of the Binomial Distribution

On the Maximum Entropy Properties of the Binomial Distribution
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关于二项式分布的最大熵性质

DOI:
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发表时间:
2008
影响因子:
2.5
通讯作者:
Yaming Yu
Yaming Yu
中科院分区:
计算机科学2区
文献类型:
--
作者:
Yaming Yu

文献摘要

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证明了在n阶超对数凹分布类中,二项(n,p)分布使熵最大化,其中n阶超对数凹分布具有固定均值np。这个结果推广了Shepp和Olkin(1981)的一个定理,与考虑泊松情形的约翰逊(2007)的结果类似。证明构造了一个极限分布为二项式(n,p)的马尔可夫链,并证明了熵在该马尔可夫链的迭代过程中沿着不会减小.
It is shown that the Binomial(n,p) distribution maximizes the entropy in the class of ultra-log-concave distributions of order n with fixed mean np. This result, which extends a theorem of Shepp and Olkin (1981), is analogous to that of Johnson (2007), who considers the Poisson case. The proof constructs a Markov chain whose limiting distribution is Binomial(n,p) and shows that the entropy never decreases along the iterations of this Markov chain.