New characterizations of the unit vector basis of or

Peter G. Casazza; Stephen J. Dilworth; Denka Kutzarova; Pavlos Motakis

doi:10.4153/S0008439523000176

New characterizations of the unit vector basis of or

Peter G. Casazza, Stephen J. Dilworth, Denka Kutzarova, Pavlos Motakis

Mathematics

Research output: Contribution to journal › Article › peer-review

Abstract

Motivated by Altshuler's famous characterization of the unit vector basis of or among symmetric bases (Altshuler [1976, Israel Journal of Mathematics, 24, 39-44]), we obtain similar characterizations among democratic bases and among bidemocratic bases. We also prove a separate characterization of the unit vector basis of.

Original language	English (US)
Pages (from-to)	1073-1083
Number of pages	11
Journal	Canadian Mathematical Bulletin
Volume	66
Issue number	4
DOIs	https://doi.org/10.4153/S0008439523000176
State	Published - Dec 21 2023

Keywords

Bidemocratic
almost greedy
invariant under spreading

ASJC Scopus subject areas

General Mathematics

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10.4153/S0008439523000176

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AU - Dilworth, Stephen J.

AU - Kutzarova, Denka

AU - Motakis, Pavlos

N1 - Publisher Copyright: © The Author(s), 2023. Published by Cambridge University Press on behalf of The Canadian Mathematical Society.

PY - 2023/12/21

Y1 - 2023/12/21

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KW - almost greedy

KW - invariant under spreading

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New characterizations of the unit vector basis of or

Abstract

Keywords

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