Weighted norm inequalities for geometric fractional maximal operators |
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Authors: | David Cruz-Uribe C. J. Neugebauer V. Olesen |
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Affiliation: | (1) Department of Mathematics, Trinity College, Hartford, CT;(2) Department of Mathematics, Purdue University, West Lafayette, IN |
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Abstract: | For 0 < let Tf denote one of the operators We characterize the pairs of weights (u, v) for which T is a bounded operator from Lp(v) to Lq(u), 0 <p q < . This extends to > 0 the norm inequalities for =0 in [4, 16]. As an application we give lower bounds for convolutions f, where is a radially decreasing function. |
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Keywords: | KeywordHeading" >Math subject classifications 42B25 |
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