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Logarithmic Interpolation Spaces between Quasi-Banach Spaces
Author(s) -
Fernando Cobos,
Luz M. FernándezCabrera,
Antonio Manzano,
Antón Martı́nez
Publication year - 2007
Publication title -
zeitschrift für analysis und ihre anwendungen
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.567
H-Index - 35
eISSN - 1661-4534
pISSN - 0232-2064
DOI - 10.4171/zaa/1311
Subject(s) - interpolation space , mathematics , banach space , interpolation (computer graphics) , lp space , logarithm , birnbaum–orlicz space , pure mathematics , banach manifold , mathematical analysis , functional analysis , computer science , artificial intelligence , biochemistry , chemistry , gene , motion (physics)
Let A0 and A1 be quasi-Banach spaces with A0 ,! A1. By means of a direct approach, we show that the interpolation spaces on (A0;A1) generated by the function parameter tµ(1 + j log tj)¡b can be expressed in terms of classical real inter-polation spaces. Applications are given to Zygmund spaces Lp(log L)b(), Lorentz-Zygmund function spaces and operator spaces de¯ned by using approximation num-\udbers.\u

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