Uniform Distribution Theory
Journal license

Journal

Uniform Distribution Theory


Volume
& Issue

Volume 14, Issue 1


Published
on

September 12, 2018


Pages

105-122


DOI

Article

The Distributional Asymptotics Mod 1 of (Log N) B

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Authors

Chuang Xu Affiliation:
Chuang Xu Department of Mathematical Sciences University of Copenhagen Universitetsparken 5 DK–2100 Copenhagen DENMARK


Abstract

This paper studies the distributional asymptotics of the slowly changing sequence of logarithms (logb n) with b ∈ N \ {1}. It is known that (logb n) is not uniformly distributed modulo one, and its omega limit set is composed of a family of transl√ated exponential distributions with constant log b. An improved upper estimate log N/N is obtained for the rate of convergence with respect to (w. r. t.) the Kantorovich metric on the circle, compared to the general results on rates of convergence for a class of slowly changing sequences in the author’s companion in-progress work. Moreover, a sharp rate of conver- gence (log N/N) w. r. t. the Kantorovich metric on the interval [0, 1], is derived. As a byproduct, the rate of convergence w.r.t. the discrepancy metric (or the Kolmogorov metric) turns out to be (log N/N) as well, which verifies that an up- per bound for this rate derived in [Ohkubo, Y.—Strauch, O.: Distribution of leading digits of numbers, Unif. Distrib. Theory, 11 (2016), no.1, 23–45.] is sharp.


Keywords

Uniformly distributed modulo one sequence, slowly changing sequence, rate.


Citation

Xu, C. (2019). The distributional asymptotics mod 1 of (log n) b. Uniform Distribution Theory, 14(1), 105–122. https://doi.org/10.2478/udt-2019-0007

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