An Analogue of Heyde's Theorem for a Certain Class of Compact Totally Disconnected Abelian Groups and p-quasicyclic Groups

被引：0
作者：
Feldman, Gennadiy [1 ]
机构：
[1] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, Kharkiv, Ukraine
来源：
RESULTS IN MATHEMATICS | 2025年 / 80卷 / 02期
关键词：
Heyde theorem; automorphism; compact totally disconnected Abelian group; <italic>p</italic>-quasicyclic group; group of <italic>p</italic>-adic integers;
D O I：
10.1007/s00025-025-02382-w
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
According to the well-known Heyde theorem, the Gaussian distribution on the real line is characterized by the symmetry of the conditional distribution of one linear form of independent random variables given another. In the article, we study an analogue of this theorem for two independent random variables taking values either in a compact totally disconnected Abelian group of a certain class, which includes finite cyclic groups and groups of p-adic integers, or in a p-quasicyclic group. In contrast to previous works devoted to group analogues of Heyde's theorem, we do not impose any restrictions on either coefficients of linear forms (they can be arbitrary topological automorphisms of the group) or the characteristic functions of random variables. For the proof we use methods of abstract harmonic analysis.
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页数：21
相关论文
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