Search Results - "weak thresholding greedy algorithm"
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On convergence of Weak Thresholding Greedy Algorithm in L 1 ( 0 , 1 )
ISSN: 0021-9045, 1096-0430Published: Elsevier Inc 01.11.2009Published in Journal of approximation theory (01.11.2009)“…For any 0 < t < 1 we construct a Weak Thresholding Greedy Algorithm with weakness parameter t which converges in L 1 ( 0 , 1…”
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Efficiency of weak greedy algorithms for m-term approximations
ISSN: 1674-7283, 1869-1862Published: Beijing Science China Press 01.04.2016Published in Science China. Mathematics (01.04.2016)“… spaces.We estimate the corresponding Lebesgue constants for the weak thresholding greedy algorithm…”
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Variations of property (A) constants and Lebesgue-type inequalities for the weak thresholding greedy algorithms
ISSN: 0021-9045, 1096-0430Published: Elsevier Inc 01.01.2023Published in Journal of approximation theory (01.01.2023)“…Albiac and Wojtaszczyk introduced property (A) to characterize 1-greedy bases. Later, Dilworth et al. generalized the concept to C-Property (A), where the case…”
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Weak thresholding greedy algorithms in Banach spaces
ISSN: 0022-1236, 1096-0783Published: Elsevier Inc 15.12.2012Published in Journal of functional analysis (15.12.2012)“…We consider weak thresholding greedy algorithms with respect to Markushevich bases in general Banach spaces…”
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Variations of Property (A) Constants and Lebesgue-type Inequalities for the Weak Thresholding Greedy Algorithms
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 01.05.2022Published in arXiv.org (01.05.2022)“…Albiac and Wojtaszczyk introduced property (A) to characterize \(1\)-greedy bases. Later, Dilworth et al. generalized the concept to \(C\)-property (A), where…”
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Lebesgue inequalities for Chebyshev thresholding greedy algorithms
ISSN: 1139-1138, 1988-2807Published: Cham Springer International Publishing 01.09.2020Published in Revista matemática complutense (01.09.2020)“…We establish estimates for the Lebesgue parameters of the Chebyshev weak thresholding greedy algorithm in the case of general bases in Banach spaces…”
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On some characterizations of greedy-type bases
ISSN: 0723-0869, 1878-0792Published: Elsevier GmbH 01.12.2022Published in Expositiones mathematicae (01.12.2022)“… Along the way, we give various examples to complement our main results. Furthermore, we propose a new version of the so-called Weak Thresholding Greedy Algorithm (WTGA…”
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Lebesgue constants for the weak greedy algorithm
ISSN: 1139-1138, 1988-2807Published: Milan Springer Milan 01.05.2015Published in Revista matemática complutense (01.05.2015)“…We estimate the Lebesgue constants for the weak thresholding greedy algorithm in a Banach space relative to a biorthogonal system…”
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On some characterizations of greedy-type bases
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 29.06.2022Published in arXiv.org (29.06.2022)“… Along the way, we give various examples to complement our main results. Furthermore, we propose a new version of the so-called Weak Thresholding Greedy Algorithm (WTGA…”
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Lebesgue inequalities for Chebyshev Thresholding Greedy Algorithms
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 10.11.2018Published in arXiv.org (10.11.2018)“…We establish estimates for the Lebesgue parameters of the Chebyshev Weak Thresholding Greedy Algorithm in the case of general bases in Banach spaces…”
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On the Convergence of a Weak Greedy Algorithm for the Multivariate Haar Basis
ISSN: 0176-4276, 1432-0940Published: Boston Springer US 01.04.2014Published in Constructive approximation (01.04.2014)“…We define a family of weak thresholding greedy algorithms for the multivariate Haar basis for L 1 [0,1] d ( d ≥1…”
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On the Convergence of a Weak Greedy Algorithm for the Multivariate Haar Basis
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 06.09.2012Published in arXiv.org (06.09.2012)“…We define a family of weak thresholding greedy algorithms for the multivariate Haar basis for \(L_1[0,1]^d\) (\(d \ge 1…”
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