Interpolation of compact bilinear operators among quasi-Banach spaces and applications

被引:14
作者
Cobos, Fernando [1 ]
Fernandez-Cabrera, Luz M. [2 ]
Martinez, Anton [3 ]
机构
[1] Univ Complutense Madrid, Fac Matemat, Dept Anal Matemat & Matemat Aplicada, Plaza Ciencias 3, E-28040 Madrid, Spain
[2] Univ Complutense Madrid, Fac Estudios Estadist, Dept Anal Matemat & Matemat Aplicada, Secc Dept, E-28040 Madrid, Spain
[3] Univ Vigo, Escuela Ingn Ind, Dept Matemat Aplicada 1, Vigo 36200, Spain
关键词
commutators of Calderon-Zygmund operators; compact bilinear operators; interpolation of compact bilinear operators among L-p-spaces; real interpolation of quasi-Banach couples; ARONSZAJN-GAGLIARDO FUNCTORS; REAL INTERPOLATION; LOGARITHMIC FUNCTORS; COMMUTATORS; REITERATION; PARAMETER; CALDERON; IDEALS;
D O I
10.1002/mana.201700487
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We study the interpolation properties of compact bilinear operators by the general real method among quasi-Banach couples. As an application we show that commutators of Calderon-Zygmund bilinear operators S : L-p X L-q -> Lr are compact provided that 1/2 < r < 1, 1 < p,q < infinity and 1/p+1/q = 1/r.
引用
收藏
页码:2168 / 2187
页数:20
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