Search Results - "weak thresholding greedy algorithm"

On convergence of Weak Thresholding Greedy Algorithm in L1(0,1)

Authors: Smbat Gogyan

Source: Journal of Approximation Theory. 161:49-64

Subject Terms: Weak Thresholding Greedy Algorithm, Haar system, Greedy Algorithm, Quasi-greedy basis, 0101 mathematics, Convergence, 01 natural sciences

Access URL: http://www.sciencedirect.com/science/article/pii/S002190450800169X
https://www.sciencedirect.com/science/article/pii/S002190450800169X
https://dblp.uni-trier.de/db/journals/jat/jat161.html#Gogyan09
https://dialnet.unirioja.es/servlet/articulo?codigo=3077840

Lebesgue inequalities for Chebyshev thresholding greedy algorithms.

Authors: Berná, P. M. Blasco, Ó. Garrigós, G. et al.

Source: Revista Matematica Complutense; Sep2020, Vol. 33 Issue 3, p695-722, 28p

On some characterizations of greedy-type bases.

Authors: Berná, Pablo M. Chu, Hùng Việt

Source: Expositiones Mathematicae. Dec2022, Vol. 40 Issue 4, p1135-1158. 24p.

Efficiency of weak greedy algorithms for m-term approximations.

Authors: Ye, PeiXin Wei, XiuJie

Source: SCIENCE CHINA Mathematics; Apr2016, Vol. 59 Issue 4, p697-714, 18p

Lebesgue constants for the weak greedy algorithm.

Authors: Dilworth, S. Kutzarova, D. Oikhberg, T.

Source: Revista Matematica Complutense; May2015, Vol. 28 Issue 2, p393-409, 17p

Weak weight-semi-greedy Markushevich bases.

Authors: Berasategui, Miguel Lassalle, Silvia

Source: Proceedings of the Royal Society of Edinburgh: Section A: Mathematics; Aug2024, Vol. 154 Issue 4, p1118-1179, 62p

Subject Terms: LITERATURE

On some characterizations of greedy-type bases

Authors: Pablo M. Berná Hùng Việt Chu

Source: Expositiones Mathematicae. 40:1135-1158

Subject Terms: Mathematics - Functional Analysis, FOS: Mathematics, 0101 mathematics, 01 natural sciences, Functional Analysis (math.FA)

Access URL: http://arxiv.org/abs/2201.12029

Weak Greedy Algorithms and the Equivalence Between Semi-greedy and Almost Greedy Markushevich Bases.

Authors: Berasategui, Miguel Lassalle, Silvia

Source: Journal of Fourier Analysis & Applications; Apr2023, Vol. 29 Issue 2, p1-37, 37p

EXTENSIONS OF DEMOCRACY--LIKE PROPERTIES FOR SEQUENCES WITH GAPS.

Authors: BERASATEGUI, MIGUEL BERNÁ, PABLO M.

Source: Mathematical Inequalities & Applications; 2022, Vol. 25 Issue 4, p1155-1189, 35p

Subject Terms: GREEDY algorithms, MATHEMATICAL optimization, APPROXIMATION theory, CHEBYSHEV systems, NATURAL numbers, SCHAUDER bases, FUNCTIONAL analysis

Lebesgue inequalities for Chebyshev thresholding greedy algorithms

Authors: P. M. Berná Ó. Blasco G. Garrigós et al.

Source: Revista Matemática Complutense

Subject Terms: Mathematics - Functional Analysis, FOS: Mathematics, 0101 mathematics, 01 natural sciences, Functional Analysis (math.FA)

Access URL: http://arxiv.org/pdf/1811.04268
http://arxiv.org/abs/1811.04268
https://dialnet.unirioja.es/servlet/articulo?codigo=7564702
https://link.springer.com/article/10.1007%2Fs13163-019-00328-9

On the Quasi-greedy Constant of the Haar Subsystems in L¹(0, 1).

Authors: Gogyan, S. Srapionyan, N.

Source: Journal of Contemporary Mathematical Analysis; Mar2019, Vol. 54 Issue 2, p124-128, 5p

On the existence of a lmost greedy bases in Banach spaces.

Authors: Gesztesy, Fritz Godefroy, Gilles Grafakos, Loukas et al.

Source: Nigel J. Kalton Selecta: Volume 2; 2016, p93-131, 39p

On the boundedness of threshold operators in $$L_1[0,1]$$ with respect to the Haar basis.

Authors: Dilworth, S. Gogyan, S. Kutzarova, Denka et al.

Source: Positivity; Mar2017, Vol. 21 Issue 1, p157-176, 20p

Subject Terms: HAAR function, THRESHOLD logic, BANACH spaces, COEFFICIENTS (Statistics), GREEDY algorithms

Efficiency of weak greedy algorithms for m-term approximations

Authors: Peixin Ye XiuJie Wei

Source: Science China Mathematics. 59:697-714

Subject Terms: 0101 mathematics, 01 natural sciences

Access URL: https://ui.adsabs.harvard.edu/abs/2016ScChA..59..697Y/abstract
https://link.springer.com/article/10.1007/s11425-015-5106-1
https://link.springer.com/content/pdf/10.1007%2Fs11425-015-5106-1.pdf

Lebesgue constants for the weak greedy algorithm

Authors: Denka Kutzarova Stephen J. Dilworth Timur Oikhberg

Source: Revista Matemática Complutense. 28:393-409

Subject Terms: 0101 mathematics, 16. Peace & justice, 01 natural sciences

Access URL: https://link.springer.com/content/pdf/10.1007%2Fs13163-014-0163-5.pdf
https://dialnet.unirioja.es/servlet/articulo?codigo=5146263
https://rd.springer.com/article/10.1007/s13163-014-0163-5
https://link.springer.com/article/10.1007/s13163-014-0163-5
https://www.math.uiuc.edu/~denka/lebesgue_v3.pdf
https://experts.illinois.edu/en/publications/lebesgue-constants-for-the-weak-greedy-algorithm

On the Convergence of a Weak Greedy Algorithm for the Multivariate Haar Basis.

Authors: Dilworth, S. Gogyan, S. Kutzarova, Denka

Source: Constructive Approximation; Apr2014, Vol. 39 Issue 2, p343-366, 24p

Subject Terms: MULTIVARIATE analysis, GREEDY algorithms, THRESHOLDING algorithms, STOCHASTIC convergence, APPROXIMATION theory, MATHEMATICAL models

Greedy approximation.

Source: Acta Numerica; May2008, Vol. 17 Issue 1, p235-409, 175p

Nigel J. Kalton Selecta

Authors: Fritz Gesztesy Gilles Godefroy Loukas Grafakos et al.

Resource Type: eBook.

Subjects: Mathematicians--Biography

Categories: MATHEMATICS / Functional Analysis, MATHEMATICS / Applied, MATHEMATICS / History & Philosophy

Greedy Approximation

Authors: Vladimir Temlyakov

Resource Type: eBook.

Subjects: Approximation theory

Categories: MATHEMATICS / Numerical Analysis