arXiv · math/0601288
Riesz basis of exponentials for a union of cubes in R^{d}
Abstract
We extend to several dimensions the result of K. Seip and Y.I. Lyubarskii that proves the existence of Riesz basis of exponentials for a finite union of intervals with equals lengths.
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Jordi Marzo. 2006-01-12. Riesz basis of exponentials for a union of cubes in R^{d}. https://arxiv.org/abs/math/0601288
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