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20172025
most citedCentral limit theorems for non-symmetric random walks on nilpotent covering graphs: Part I

10 citations · 21 across the 15 of their papers we have counts for

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math.ST2024

Volatility estimation from a view point of entropy

Jirô Akahori, Ryuya Namba, Atsuhito Watanabe

In the present paper, we first revisit the volatility estimation approach proposed by N. Kunitomo and S. Sato, and second, we show that the volatility estimator proposed by P. Mall…

math.PR2024

Fractional binomial distributions induced by the generalized binomial theorem and their applications

Masanori Hino, Ryuya Namba

We develop a fractional extension of the classical binomial distribution and the associated Bernstein operator, formulated within the framework of the generalized binomial theorem…