Measure-Preservation and the Existence of a Root of p-Adic 1-Lipschitz Functions in Mahler’s Expansion


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Abstract

In this paper, we provide necessary and sufficient conditions for 1-Lipschitz functions that are uniformly differentiable mod p on ℤp to be measure-preserving, in Mahler’s expansion, and show that these conditions can be modified to guarantee the existence of a root of p-adic Lipschitz functions.

About the authors

Sangtae Jeong

Department of Mathematics

Author for correspondence.
Email: stj@inha.ac.kr
Korea, Republic of, Incheon, 22212

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