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Tree structure of spectra of spectral Moran measures with consecutive digits
Published online by Cambridge University Press: 22 December 2023
Abstract
Let $\{b_n\}_{n=1}^{\infty }$ be a sequence of integers larger than 1. We will study the harmonic analysis of the equal-weighted Moran measures $\mu _{\{b_n\},\{{\mathcal D}_n\}}$ with ${\mathcal D}_n=\{0,1,2,\ldots ,q_n-1\}$, where $q_n$ divides $b_n$ for all $n\geq 1.$ In this paper, we first characterize all the maximal orthogonal sets of $L^2(\mu _{\{b_n\},\{{\mathcal D}_n\}})$ via a tree mapping. By this characterization, we give some sufficient conditions for the maximal orthogonal set to be an orthonormal basis.
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- © The Author(s), 2023. Published by Cambridge University Press on behalf of Canadian Mathematical Society
Footnotes
This work was supported by the National Natural Science Foundation of China (Grant No. 12101196) and the Natural Science Foundation of Henan Province (Grant No. 212300410323).