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arXiv 1301.2779cond-mat.stat-mech
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分形相空间中的分数熵:性质与刻画

A Fractional entropy in Fractal phase space: properties and characterization

R. Chandrashekar, C. Ravikumar, J. Segar

摘要:

介绍了基于自然对数的Boltzmann-Gibbs-Shannon熵的两参数推广。提出并证明了对应于双参数熵的Shannon-Kinchinn公理的推广。给出了相对熵和Jensen-Shannon散度测度,并检验了它们的性质.导出了该熵对应的Fisher信息测度、相对Fisher信息和Jensen-Fisher信息。正则分布最大化这个熵的推导和发现是在朗伯的W函数。并验证了Lesche稳定性和热力学稳定性条件。最后,我们提出了一个推广的复杂性测度,并将其应用到一个两层系统和一个服从指数分布的系统。结果进行了比较与相应的使用类似的措施的基础上的香农熵。

英文摘要:

A two parameter generalization of Boltzmann-Gibbs-Shannon entropy based on natural logarithm is introduced. The generalization of the Shannon-Kinchinn axioms corresponding to the two parameter entropy is proposed and verified. We present the relative entropy, Jensen-Shannon divergence measure and check their properties. The Fisher information measure, relative Fisher information and the Jensen-Fisher information corresponding to this entropy are also derived. The canonical distribution maximizing this entropy is derived and is found to be in terms of the Lambert's W function. Also the Lesche stability and the thermodynamic stability conditions are verified. Finally we propose a generalization of a complexity measure and apply it to a two level system and a system obeying exponential distribution. The results are compared with the corresponding ones obtained using a similar measure based on the Shannon entropy.

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