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Conditions for the existence of a generalization of Rényi divergence
Physica A: Statistical Mechanics and its Applications ( IF 3.3 ) Pub Date : 2020-07-25 , DOI: 10.1016/j.physa.2020.124953 Rui F. Vigelis , Luiza H.F. de Andrade , Charles C. Cavalcante
中文翻译:
Rényi散度的泛化存在的条件
更新日期:2020-07-25
Physica A: Statistical Mechanics and its Applications ( IF 3.3 ) Pub Date : 2020-07-25 , DOI: 10.1016/j.physa.2020.124953 Rui F. Vigelis , Luiza H.F. de Andrade , Charles C. Cavalcante
We give necessary and sufficient conditions for the existence of a generalization of Rényi divergence, which is defined in terms of a deformed exponential function. If the underlying measure is non-atomic, we found that not all deformed exponential functions can be used in the generalization of Rényi divergence; a condition involving the deformed exponential function is provided. In the case is purely atomic (the counting measure on the set of natural numbers), we show that any deformed exponential function can be used in the generalization.
中文翻译:
Rényi散度的泛化存在的条件
我们给出了存在的Rényi散度泛化的必要和充分条件,该泛化是根据变形的指数函数定义的。如果基础措施由于是非原子的,我们发现并非所有变形的指数函数都可以用于Rényi发散的推广。提供了涉及变形指数函数的条件。在这种情况下 是纯粹的原子(对自然数集的计数度量),我们证明了可以在概化中使用任何变形的指数函数。