Výsledky vyhledávání - weak thresholding greedy algorithm
-
1
On convergence of Weak Thresholding Greedy Algorithm in L 1 ( 0 , 1 )
ISSN: 0021-9045, 1096-0430Vydáno: Elsevier Inc 01.11.2009Vydáno v 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…”
Získat plný text
Journal Article -
2
Variations of property (A) constants and Lebesgue-type inequalities for the weak thresholding greedy algorithms
ISSN: 0021-9045, 1096-0430Vydáno: Elsevier Inc 01.01.2023Vydáno v Journal of approximation theory (01.01.2023)“… generalized the concept to C-Property (A), where the case C=1 gives property (A). They (among other results) characterized greedy bases by unconditionality and C-property…”
Získat plný text
Journal Article -
3
Weak thresholding greedy algorithms in Banach spaces
ISSN: 0022-1236, 1096-0783Vydáno: Elsevier Inc 15.12.2012Vydáno v Journal of functional analysis (15.12.2012)“…We consider weak thresholding greedy algorithms with respect to Markushevich bases in general Banach spaces…”
Získat plný text
Journal Article -
4
Efficiency of weak greedy algorithms for m-term approximations
ISSN: 1674-7283, 1869-1862Vydáno: Beijing Science China Press 01.04.2016Vydáno v Science China. Mathematics (01.04.2016)“… spaces.We estimate the corresponding Lebesgue constants for the weak thresholding greedy algorithm…”
Získat plný text
Journal Article -
5
Variations of Property (A) Constants and Lebesgue-type Inequalities for the Weak Thresholding Greedy Algorithms
ISSN: 2331-8422Vydáno: Ithaca Cornell University Library, arXiv.org 01.05.2022Vydáno v arXiv.org (01.05.2022)“…Albiac and Wojtaszczyk introduced property (A) to characterize \(1\)-greedy bases. Later, Dilworth et al…”
Získat plný text
Paper -
6
Lebesgue inequalities for Chebyshev thresholding greedy algorithms
ISSN: 1139-1138, 1988-2807Vydáno: Cham Springer International Publishing 01.09.2020Vydáno v 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…”
Získat plný text
Journal Article -
7
Super greedy type algorithms
ISSN: 1019-7168, 1572-9044Vydáno: Boston Springer US 01.11.2012Vydáno v Advances in computational mathematics (01.11.2012)“… In this article, we propose the Weak Super Greedy Algorithm (WSGA) and the Weak Orthogonal Super Greedy Algorithm with Thresholding (WOSGAT). Their performance (rate of convergence…”
Získat plný text
Journal Article -
8
On some characterizations of greedy-type bases
ISSN: 0723-0869, 1878-0792Vydáno: Elsevier GmbH 01.12.2022Vydáno v 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…”
Získat plný text
Journal Article -
9
On the Convergence of a Weak Greedy Algorithm for the Multivariate Haar Basis
ISSN: 0176-4276, 1432-0940Vydáno: Boston Springer US 01.04.2014Vydáno v 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…”
Získat plný text
Journal Article -
10
Weak weight-semi-greedy Markushevich bases
ISSN: 0308-2105, 1473-7124Vydáno: Edinburgh, UK Royal Society of Edinburgh Scotland Foundation 01.08.2024Vydáno v Proceedings of the Royal Society of Edinburgh. Section A. Mathematics (01.08.2024)“… In all of the above cases, we also bring to the context of weights the weak greedy and Chebyshev greedy algorithms…”
Získat plný text
Journal Article -
11
Lebesgue constants for the weak greedy algorithm
ISSN: 1139-1138, 1988-2807Vydáno: Milan Springer Milan 01.05.2015Vydáno v 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…”
Získat plný text
Journal Article -
12
Weak weight-semi-greedy Markushevich bases
ISSN: 2331-8422Vydáno: Ithaca Cornell University Library, arXiv.org 20.05.2023Vydáno v arXiv.org (20.05.2023)“… Finally, we study some parameters involving the weak thresholding and Chebyshevian greedy algorithms…”
Získat plný text
Paper -
13
Lebesgue inequalities for Chebyshev Thresholding Greedy Algorithms
ISSN: 2331-8422Vydáno: Ithaca Cornell University Library, arXiv.org 10.11.2018Vydáno v 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…”
Získat plný text
Paper -
14
Partial Hard Thresholding
ISSN: 0018-9448, 1557-9654Vydáno: New York IEEE 01.05.2017Vydáno v IEEE transactions on information theory (01.05.2017)“… that have been selected so far. To unify the design and analysis of such algorithms, we propose a novel partial hard-thresholding (PHT…”
Získat plný text
Journal Article -
15
Fast Recursive Greedy Methods for Sparse Signal Recovery
ISSN: 1053-587X, 1941-0476Vydáno: New York IEEE 2024Vydáno v IEEE transactions on signal processing (2024)“…Theory and algorithms of greedy methods for sparse signal recovery using <inline-formula><tex-math notation="LaTeX">\ell_{0}</tex-math></inline-formula>-minimization are developed…”
Získat plný text
Journal Article -
16
Weak Greedy Algorithms and the Equivalence Between Semi-greedy and Almost Greedy Markushevich Bases
ISSN: 1069-5869, 1531-5851Vydáno: New York Springer US 01.04.2023Vydáno v The Journal of fourier analysis and applications (01.04.2023)“…We introduce and study the notion of weak semi-greedy systems—which is inspired in the concepts of semi-greedy and branch semi-greedy systems and weak…”
Získat plný text
Journal Article -
17
On some characterizations of greedy-type bases
ISSN: 2331-8422Vydáno: Ithaca Cornell University Library, arXiv.org 29.06.2022Vydáno v 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…”
Získat plný text
Paper -
18
Super Greedy Type Algorithms and Applications in Compressed Sensing
ISBN: 9781124847498, 1124847499Vydáno: ProQuest Dissertations & Theses 01.01.2011“…), Orthogonal Super Greedy Algorithm (OSGA), and Orthogonal Super Greedy Algorithm with Thresholding (OSGAT…”
Získat plný text
Dissertation -
19
Greedy Algorithms for Joint Sparse Recovery
ISSN: 1053-587X, 1941-0476Vydáno: New York, NY IEEE 01.04.2014Vydáno v IEEE transactions on signal processing (01.04.2014)“…Five known greedy algorithms designed for the single measurement vector setting in compressed sensing and sparse approximation are extended to the multiple measurement vector scenario…”
Získat plný text
Journal Article -
20
On the Convergence of a Weak Greedy Algorithm for the Multivariate Haar Basis
ISSN: 2331-8422Vydáno: Ithaca Cornell University Library, arXiv.org 06.09.2012Vydáno v 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…”
Získat plný text
Paper

