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Lower bounds for Haar projections: deterministic examples

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arxiv 1511.01470 v1 pith:EHKRWIHW submitted 2015-11-04 math.CA

Lower bounds for Haar projections: deterministic examples

classification math.CA
keywords haarprojectionsdeterministicexamplesexistencerangespacesargument
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In a previous paper by the authors the existence of Haar projections with growing norms in Sobolev-Triebel-Lizorkin spaces has been shown via a probabilistic argument. This existence was sufficient to determine the precise range of Triebel-Lizorkin spaces for which the Haar system is an unconditional basis. The aim of the present paper is to give simple deterministic examples of Haar projections that show this growth behavior in the respective range of parameters.

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