Abstract
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 the other. We study analogues of this theorem for some locally compact Abelian groups X containing an element of order 2. We prove that if X contains an element of order 2, this leads to the fact that a wide class of non-Gaussian distributions on X is characterized by the symmetry of the conditional distribution of one linear form of independent random variables given the other. While coefficients of linear forms are topological automorphisms of a group.
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Feldman, G.M. On a Characterization Theorem for Locally Compact Abelian Groups Containing an Element of Order 2. Potential Anal 56, 297–315 (2022). https://doi.org/10.1007/s11118-020-09885-x
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DOI: https://doi.org/10.1007/s11118-020-09885-x
Keywords
- Characterization theorem
- Conditional distribution
- Topological automorphism
- Locally compact Abelian group