Suchergebnisse - "thresholding greedy algorithm"

Twenty-five years of greedy bases

Autoren: Fernando Albiac José L. Ansorena Vladimir Temlyakov et al.

Weitere Verfasser: Fernando Albiac José L. Ansorena Vladimir Temlyakov et al.

Quelle: Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra
Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname
RIUR. Repositorio Institucional de la Universidad de La Rioja
Universidad de La Rioja (UR)

Schlagwörter: 41A65 (Primary) 41A25, 41A46, 41A17, 46B15 (Secondary), Approximation by arbitrary nonlinear expressions, widths and entropy, Summability and bases, functional analytic aspects of frames in Banach and Hilbert spaces, Rate of convergence, degree of approximation, And quasi-greedy basis, nonlinear approximation, Functional Analysis (math.FA), Mathematics - Functional Analysis, and quasi-greedy basis, Abstract approximation theory (approximation in normed linear spaces and other abstract spaces), FOS: Mathematics, greedy, Thresholding greedy algorithm, Almost greedy, thresholding greedy algorithm, Greedy, Nonlinear approximation, Inequalities in approximation (Bernstein, Jackson, Nikol'skiĭ-type inequalities), almost greedy

Dateibeschreibung: application/pdf; application/xml

Zugangs-URL: http://arxiv.org/abs/2405.20939
https://academica-e.unavarra.es/handle/2454/53645
https://ur.portalcientifico.es/documentos/67842b2c05ff3328ea835bac
https://investigacion.unirioja.es/documentos/67842b2c05ff3328ea835bac

Existence of Almost Greedy Bases in Mixed-Norm Sequence and Matrix Spaces, Including Besov Spaces

Autoren: Albiac Alesanco, Fernando José Ansorena, José L. Bello, Glenier et al.

Weitere Verfasser: Albiac Alesanco, Fernando José Ansorena, José L. Bello, Glenier et al.

Quelle: RIUR. Repositorio Institucional de la Universidad de La Rioja
Universidad de La Rioja (UR)
Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra

Schlagwörter: Conditional basis, lp-Spaces, 01 natural sciences, Functional Analysis (math.FA), 46B15 (Primary) 41A65 (Secondary), Mathematics - Functional Analysis, Almost greedy basis, FOS: Mathematics, 41A65, ℓp-Spaces, Thresholding greedy algorithm, Quasi-greedy basis, 0101 mathematics, Subsymmetric basis, 46B15

Dateibeschreibung: application/pdf

Zugangs-URL: http://arxiv.org/abs/2208.10203
https://investigacion.unirioja.es/documentos/64e2a5294a4f093d56e71bfb
https://ur.portalcientifico.es/documentos/64e2a5294a4f093d56e71bfb
https://academica-e.unavarra.es/handle/2454/46667

Bidemocratic Bases and Their Connections with Other Greedy-Type Bases

Autoren: Albiac, Fernando Ansorena, José L. Berasategui, Miguel Hernán et al.

Weitere Verfasser: Albiac, Fernando Ansorena, José L. Berasategui, Miguel Hernán et al.

Quelle: Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra
RIUR. Repositorio Institucional de la Universidad de La Rioja
Universidad de La Rioja (UR)

Schlagwörter: THRESHOLDING GREEDY ALGORITHM, 41A65 (Primary) 41A46, 46B15, 46B45 (Secondary), DEMOCRACY, Democracy, 01 natural sciences, Functional Analysis (math.FA), Mathematics - Functional Analysis, QUASI-GREEDY BASIS, FOS: Mathematics, Thresholding greedy algorithm, Quasi-greedy basis, 0101 mathematics, NONLINEAR APPROXIMATION, Nonlinear approximation

Dateibeschreibung: application/pdf

Zugangs-URL: http://arxiv.org/abs/2105.15177
https://ur.portalcientifico.es/documentos/63a75aa29ac45918ff1f8fbd
https://academica-e.unavarra.es/handle/2454/45136
https://investigacion.unirioja.es/documentos/63a75aa29ac45918ff1f8fbd
http://hdl.handle.net/11336/213287

Sparse approximation using new greedy-like bases in superreflexive spaces

Autoren: Albiac, Fernando Ansorena, José L. Berasategui, Miguel Hernán et al.

Weitere Verfasser: Albiac, Fernando Ansorena, José L. Berasategui, Miguel Hernán et al.

Quelle: Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra

Schlagwörter: Superreflexive Banach spaces, TRUNCATION QUASI-GREEDY, BIDEMOCRATIC, 01 natural sciences, Functional Analysis (math.FA), Mathematics - Functional Analysis, Bidemocratic bases, Unconditionality constants, FOS: Mathematics, Thresholding greedy algorithm, SUPERREFLEXIVE, SUBSYMMETRIC, 41A65 (Primary) 41A46, 41A17, 46B15, 46B45 (Secondary), 0101 mathematics

Dateibeschreibung: application/pdf

Zugangs-URL: http://arxiv.org/abs/2205.09478
https://academica-e.unavarra.es/handle/2454/46730
http://hdl.handle.net/11336/232871

Counterexamples in isometric theory of symmetric and greedy bases

Autoren: Albiac, Fernando Ansorena, José L. Blasco, Óscar et al.

Schlagwörter: Property (A), Suppression unconditional basis, Thresholding greedy algorithm, Greedy basis, Symmetric basis

Dateibeschreibung: application/pdf

Zugangs-URL: https://investigacion.unirioja.es/documentos/652b2930ebee473633a36d6b

Existence of Almost Greedy Bases in Mixed-Norm Sequence and Matrix Spaces, Including Besov Spaces

Autoren: Albiac, Fernando Ansorena, José L. Bello, Glenier et al.

Quelle: Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname

Schlagwörter: Conditional basis, Almost greedy basis, 41A65, ℓp-Spaces, Thresholding greedy algorithm, Quasi-greedy basis, Subsymmetric basis, 46B15

Dateibeschreibung: application/pdf

Zugangs-URL: https://ur.portalcientifico.es/documentos/64e2a5294a4f093d56e71bfb

Linear versus nonlinear forms of partial unconditionality of bases

Autoren: Albiac, Fernando Ansorena, José L. Berasategui, Miguel et al.

Quelle: Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname

Schlagwörter: Bounded-oscillation unconditionality, Nearly unconditional bases, Partial unconditionality, Thresholding greedy algorithm

Dateibeschreibung: application/pdf

Zugangs-URL: https://ur.portalcientifico.es/documentos/66b88c59110bef475d850c99

Weak forms of unconditionality of bases in greedy approximation

Autoren: Albiac, Fernando Ansorena, José L. Berasategui, Miguel Hernán et al.

Weitere Verfasser: Albiac, Fernando Ansorena, José L. Berasategui, Miguel Hernán et al.

Quelle: Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra

Schlagwörter: GREEDY, GT-space, 01 natural sciences, Functional Analysis (math.FA), Mathematics - Functional Analysis, UNCONDITIONAL, BASES, FOS: Mathematics, Non-linear approximation, NEARLY UNCONDITIONAL, Thresholding greedy algorithm, Quasi-greedy basis, 41A65 (Primary) 41A46, 41A17, 46B15, 46B45 (Secondary), 0101 mathematics

Dateibeschreibung: application/pdf

Zugangs-URL: http://arxiv.org/abs/2106.00975
https://academica-e.unavarra.es/handle/2454/46466
http://hdl.handle.net/11336/214863

Linear versus nonlinear forms of partial unconditionality of bases

Autoren: Albiac, Fernando 0000-0001-7051-9279 Ansorena, José L. 0000-0002-4979-1080 Berasategui, Miguel

Schlagwörter: Bounded-oscillation unconditionality, Nearly unconditional bases, Partial unconditionality, Thresholding greedy algorithm

Dateibeschreibung: application/pdf

Relation: info:eu-repo/semantics/altIdentifier/eissn/1096-0783; info:eu-repo/semantics/altIdentifier/pissn/0022-1236; Linear versus nonlinear forms of partial unconditionality of bases, 2024, vol. 287, núm. 9; https://investigacion.unirioja.es/documentos/66b88c59110bef475d850c99

Verfügbarkeit: https://investigacion.unirioja.es/documentos/66b88c59110bef475d850c99
https://doi.org/10.1016/J.JFA.2024.110594

Counterexamples in isometric theory of symmetric and greedy bases

Autoren: Albiac, Fernando 0000-0001-7051-9279 Ansorena, José L. 0000-0002-4979-1080 Blasco, Óscar 0000-0001-9512-0598 et al.

Schlagwörter: Greedy basis, Property (A), Suppression unconditional basis, Symmetric basis, Thresholding greedy algorithm

Dateibeschreibung: application/pdf

Relation: info:eu-repo/semantics/altIdentifier/eissn/1096-0430; info:eu-repo/semantics/altIdentifier/pissn/0021-9045; Counterexamples in isometric theory of symmetric and greedy bases, 2024, vol. 297; https://investigacion.unirioja.es/documentos/652b2930ebee473633a36d6b

Verfügbarkeit: https://investigacion.unirioja.es/documentos/652b2930ebee473633a36d6b
https://doi.org/10.1016/J.JAT.2023.105970

Bidemocratic Bases and Their Connections with Other Greedy-Type Bases

Autoren: Albiac, Fernando Ansorena, José L. Berasategui, Miguel et al.

Quelle: Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname

Schlagwörter: Thresholding greedy algorithm, Quasi-greedy basis, Nonlinear approximation, Democracy

Dateibeschreibung: application/pdf

Zugangs-URL: https://ur.portalcientifico.es/documentos/63a75aa29ac45918ff1f8fbd

Elton's near unconditionality of bases as a threshold-free form of greediness

Autoren: Albiac, Fernando Ansorena, José L. Berasategui, Miguel et al.

Quelle: Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname

Schlagwörter: Nearly unconditional bases, Thresholding greedy algorithm

Dateibeschreibung: application/pdf

Zugangs-URL: https://ur.portalcientifico.es/documentos/64a0c05e92f9861a6d05f0f0

Elton's near unconditionality of bases as a threshold-free form of greediness

Autoren: Albiac, Fernando 0000-0001-7051-9279 Ansorena, José L. 0000-0002-4979-1080 Berasategui, Miguel

Schlagwörter: Nearly unconditional bases, Thresholding greedy algorithm

Dateibeschreibung: application/pdf

Relation: info:eu-repo/semantics/altIdentifier/eissn/1096-0783; info:eu-repo/semantics/altIdentifier/pissn/0022-1236; Elton's near unconditionality of bases as a threshold-free form of greediness, 2023, vol. 285, núm. 7; https://investigacion.unirioja.es/documentos/64a0c05e92f9861a6d05f0f0

Verfügbarkeit: https://investigacion.unirioja.es/documentos/64a0c05e92f9861a6d05f0f0
https://doi.org/10.1016/J.JFA.2023.110060

A remark on approximation with polynomials and greedy bases

Autoren: Pablo M. Berná Antonio Pérez Ministerio de Economía y Competitividad (España) et al.

Weitere Verfasser: Pablo M. Berná Antonio Pérez Ministerio de Economía y Competitividad (España) et al.

Quelle: Digital.CSIC. Repositorio Institucional del CSIC
instname

Schlagwörter: Mathematics - Functional Analysis, Greedy bases, FOS: Mathematics, Thresholding greedy algorithm, Almost greedy bases, 0101 mathematics, 01 natural sciences, Functional Analysis (math.FA)

Zugangs-URL: http://arxiv.org/pdf/1903.01763
http://arxiv.org/abs/1903.01763
http://hdl.handle.net/10261/200202
https://www.sciencedirect.com/science/article/abs/pii/S0022247X19304391
https://digital.csic.es/handle/10261/200202

Unconditional and quasi-greedy bases in $L_p$ with applications to Jacobi polynomials Fourier series

Autoren: Fernando Albiac Jose L. Ansorena Juan L. Varona et al.

Weitere Verfasser: Fernando Albiac Jose L. Ansorena Juan L. Varona et al.

Quelle: RIUR. Repositorio Institucional de la Universidad de La Rioja
instname
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra
Universidad de La Rioja (UR)
Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
Academica-e: Repositorio Institucional de la Universidad Pública de Navarra

Schlagwörter: Mathematics - Functional Analysis, Unconditional basis, L-p-spaces, Jacobi polynomials, FOS: Mathematics, Thresholding greedy algorithm, Quasi-greedy basis, 0101 mathematics, 46B15 (Primary), 41A65 (Secondary), 01 natural sciences, Functional Analysis (math.FA)

Dateibeschreibung: application/pdf

Zugangs-URL: https://academica-e.unavarra.es/xmlui/bitstream/2454/35946/1/2019060303_Albiac_UnconditionalQuasigreedy.pdf
http://arxiv.org/abs/1507.05934
https://investigacion.unirioja.es/documentos/5de8edcb29995218771dd931
https://academica-e.unavarra.es/handle/2454/35946
https://hdl.handle.net/2454/35946
https://ur.portalcientifico.es/documentos/5de8edcb29995218771dd931
https://www.ems-ph.org/journals/show_abstract.php?issn=0213-2230&vol=35&iss=2&rank=7
https://investigacion.unirioja.es/documentos/5de8edcb29995218771dd931
http://ui.adsabs.harvard.edu/abs/2015arXiv150705934A/abstract
https://academica-e.unavarra.es/handle/2454/35946
https://dialnet.unirioja.es/servlet/articulo?codigo=7154920

Lebesgue-Type Inequalities for Quasi-greedy Bases

Thesis Advisors: UAM. Departamento de Matemáticas

Quelle: Constructive Approximation 38.3 (2013): 447-470
0176-4276 (print)
1432-0940 (online)
447
3
470
38

Schlagwörter: Bounded variation, Democracy functions, Lebesgue-type inequalities, Non-linear approximation, Quasi-greedy bases, Thresholding greedy algorithm, Matemáticas

Zugangs-URL: http://hdl.handle.net/10486/669628

Lebesgue constants for Chebyshev thresholding greedy algorithms

Autoren: Chunfang Shao Peixin Ye

Quelle: Journal of Inequalities and Applications, Vol 2018, Iss 1, Pp 1-23 (2018)

Schlagwörter: Chebyshev thresholding greedy algorithm, Convergence property, Trigonometric system, Summing basis, Quasi-greedy basis, Lebesgue constants, Mathematics, QA1-939

Dateibeschreibung: electronic resource

Relation: http://link.springer.com/article/10.1186/s13660-018-1694-y; https://doaj.org/toc/1029-242X

Zugangs-URL: https://doaj.org/article/6b0f6bda5f974b3bb6b1018acb12909d

Conditional Quasi-Greedy Bases in Non-superreflexive Banach Spaces

Autoren: Przemysław Wojtaszczyk Jose L. Ansorena Fernando Albiac et al.

Weitere Verfasser: Przemysław Wojtaszczyk Jose L. Ansorena Fernando Albiac et al.

Quelle: Academica-e: Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
instname
RIUR. Repositorio Institucional de la Universidad de La Rioja
Universidad de La Rioja (UR)
Dialnet CRIS Repositorio institucional de la Universidad de La Rioja

Schlagwörter: Reflexivity, Conditional basis, Conditionality constants, Superreflexivity, Functional Analysis (math.FA), Mathematics - Functional Analysis, Cotype, Banach spaces, Finite representability, FOS: Mathematics, Thresholding greedy algorithm, Type, 46B15, 41A65, Quasi-greedy basis, Super property

Dateibeschreibung: application/pdf

Zugangs-URL: https://academica-e.unavarra.es/xmlui/bitstream/2454/34670/1/04_Albiac_ConditionalQuasigreedy.pdf
http://arxiv.org/abs/1702.06326
https://hdl.handle.net/2454/34670
https://academica-e.unavarra.es/handle/2454/34670
https://investigacion.unirioja.es/documentos/5bbc68cdb750603269e80fde
https://ur.portalcientifico.es/documentos/5bbc68cdb750603269e80fde
http://ui.adsabs.harvard.edu/abs/2017arXiv170206326A/abstract
https://academica-e.unavarra.es/xmlui/handle/2454/34670
https://link.springer.com/article/10.1007/s00365-017-9399-x
https://academica-e.unavarra.es/xmlui/bitstream/2454/34670/1/04_Albiac_ConditionalQuasigreedy.pdf
https://core.ac.uk/display/78511722
https://pbn.nauka.gov.pl/sedno-webapp/works/840823

Equivalencias de bases en aproximación greedy ; Equivalences of bases in greedy approximation

Autoren: Berasategui, Miguel Hernán Lassalle, Silvia Beatriz

Weitere Verfasser: Berasategui, Miguel Hernán Lassalle, Silvia Beatriz

Schlagwörter: ALGORITMO GREEDY, ALGORITMO GREEDY DE CHEVYSHEV, BASES SEMI-GREEDY, INCONDICIONALIDAD PARCIAL, BASES QUASI-GREEDY, THRESHOLDING GREEDY ALGORITHM, CHEBYSHEV THRESHOLDING GREEDY ALGORITHM, SEMI-GREEDY BASES, PARTIAL UNCONDITIONALITY, QUASI-GREEDY BASES

Dateibeschreibung: application/pdf

Relation: https://hdl.handle.net/20.500.12110/tesis_n7571_Berasategui

Verfügbarkeit: https://hdl.handle.net/20.500.12110/tesis_n7571_Berasategui
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=aextesis&d=tesis_n7571_Berasategui_oai

Conditionality constants of quasi-greedy bases in super-reflexive Banach spaces

Autoren: Albiac, F. Ansorena, J.L. Garrigós, G. et al.

Quelle: Dialnet CRIS Repositorio institucional de la Universidad de La Rioja
instname
RIUR. Repositorio Institucional de la Universidad de La Rioja
Universidad de La Rioja (UR)

Schlagwörter: Weak parallelogram inequality, Conditional basis, Reflexive space, Uniform convexity, 0103 physical sciences, Super-reflexive space, Thresholding greedy algorithm, Quasi-greedy basis, 0101 mathematics, 01 natural sciences

Dateibeschreibung: application/pdf

Zugangs-URL: https://ur.portalcientifico.es/documentos/5bbc6816b750603269e80239
https://investigacion.unirioja.es/documentos/5bbc6816b750603269e80239
https://www.impan.pl/pl/wydawnictwa/czasopisma-i-serie-wydawnicze/studia-mathematica/all/227/2/91216/conditionality-constants-of-quasi-greedy-bases-in-super-reflexive-banach-spaces
http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.bwnjournal-article-doi-10_4064-sm227-2-3
https://eudml.org/doc/285579