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

Albiac, Fernando et al · Academic Press Inc Elsevier Science · 2023

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Author / responsible party

Albiac, Fernando et al

Publisher

Academic Press Inc Elsevier Science

Year

2023

ISSN

0022-1236

ISSN

0022-1236

Language

English

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Elton's near unconditionality and quasi-greediness for largest coefficients are two properties of bases that made their appearance in functional analysis from very different areas of research. One of our aims in this note is to show that, oddly enough, they are connected to the extent that they are equivalent notions. We take advantage of this new description of the former property to further the study of the threshold function associated with near unconditionality. Finally, we make a contribution to the isometric theory of greedy bases by characterizing those bases that are 1-quasi-greedy for largest coefficients. Fil: Albiac, Fernando. Universidad Publica de Navarra. Departamento de Ciencias.; España Fil: Ansorena, José L.. Universidad de la Rioja; España

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APA 7

Albiac, F. E. A. (2023). Elton's near unconditionality of bases as a threshold-free form of greediness. https://nodovox.com/record.php?id=1148845

MLA

Albiac, Fernando et al. "Elton's near unconditionality of bases as a threshold-free form of greediness." 2023. https://nodovox.com/record.php?id=1148845.

Chicago

Albiac, Fernando et al. 2023. "Elton's near unconditionality of bases as a threshold-free form of greediness.". https://nodovox.com/record.php?id=1148845.

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Albiac, F. E. A. 2023, Elton's near unconditionality of bases as a threshold-free form of greediness, Academic Press Inc Elsevier Science, available at: https://nodovox.com/record.php?id=1148845 [Accessed 9 Aug. 2026].

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

Author / contributors: Albiac, Fernando et al

Publisher: Academic Press Inc Elsevier Science

Publication year: 2023

ISSN: 0022-1236

ISSN: 0022-1236

Language: English

Subjects

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NEARLY UNCONDITIONAL BASES; THRESHOLDING GREEDY ALGORITHM; https://purl.org/becyt/ford/1.1; https://purl.org/becyt/ford/1