Elucidation of information structure exhibiting power-law distribution in the mathematical framework of generalized entropies

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The fundamental quantity in statistical mechanics and information theory based on the probability theory is "entropy" , where the underlying mathematical structure is "stochastic independence and exponential family". As its generalization, we elucidate "scaling dependence and generalized exponential family" through some generalized entropies. In particular, the novel algebraic and geometric structures are revealed through our studies, which is found to generate power-law distribution.