Almost-orthogonality of restricted haar functions
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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9
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Proceedings of the American Mathematical Society, Volume 148, issue 2, pp. 601-609
Abstract
We consider the Haar functions hI on dyadic intervals. We show that if p > 2 3 and E ⊂ [0, 1], then the set of all functions ∥hI1E∥-1 2 hI1E with |I ∩ E| ≥ p|I| is a Riesz sequence. For p ≤ 2 3 we provide a counterexample.Description
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Weigt, J 2020, 'Almost-orthogonality of restricted haar functions', Proceedings of the American Mathematical Society, vol. 148, no. 2, pp. 601-609. https://doi.org/10.1090/proc/14752