A theorem of Strichartz for multipliers on homogeneous trees

Fuente: arXiv
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Autores principales: Rano, Sumit Kumar, Sarkar, Rudra P.
Formato: Preprint
Publicado: 2024
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author Rano, Sumit Kumar
Sarkar, Rudra P.
author_facet Rano, Sumit Kumar
Sarkar, Rudra P.
contents A theorem of Strichartz states that if a uniformly bounded bi-infinite sequence of functions on the Euclidean spaces, satisfies the condition that the Laplacian acting on a function in this sequence yields the next one, then each function in this sequence is an eigenfunction of the Laplacian. We consider a generalization of this result for homogeneous trees, where we replace bounded functions by tempered distributions and the Laplacian by multiplier operators acting on the tempered distributions. After establishing the result in this general context, we narrow our focus to specific cases, which includes important examples of multiplier operators such as heat and Schrödinger operator, ball and sphere averages of function.
format Preprint
id arxiv_https___arxiv_org_abs_2402_10703
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A theorem of Strichartz for multipliers on homogeneous trees
Rano, Sumit Kumar
Sarkar, Rudra P.
Classical Analysis and ODEs
Functional Analysis
Primary 43A85 Secondary 20E08, 39A12, 43A90
A theorem of Strichartz states that if a uniformly bounded bi-infinite sequence of functions on the Euclidean spaces, satisfies the condition that the Laplacian acting on a function in this sequence yields the next one, then each function in this sequence is an eigenfunction of the Laplacian. We consider a generalization of this result for homogeneous trees, where we replace bounded functions by tempered distributions and the Laplacian by multiplier operators acting on the tempered distributions. After establishing the result in this general context, we narrow our focus to specific cases, which includes important examples of multiplier operators such as heat and Schrödinger operator, ball and sphere averages of function.
title A theorem of Strichartz for multipliers on homogeneous trees
topic Classical Analysis and ODEs
Functional Analysis
Primary 43A85 Secondary 20E08, 39A12, 43A90
url https://arxiv.org/abs/2402.10703