Riesz bases by replacement

Sampling Theory, Signal Processing, and Data Analysis（2022）

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摘要

In this paper we provide a method for constructing new Riesz bases on separable Hilbert spaces and we use it to prove sufficient conditions for the existence of exponential Riesz bases on domains of ℝ^d . We also apply our results to the construction of weighted exponential Riesz bases on [0, 1].

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关键词

Hilbert spaces,Riesz bases,Frame constants,Exponential bases

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