On the numerical index of vector-valued function spaces

被引:12
|
作者
Ed-Dari, Elmouloudi
Khamsi, Mohamed Amine
Aksoy, Asuman Gueven
机构
[1] Univ Sci & Tech Lille Flandres Artois, Fac Sci Jean Perrin, F-62307 Lens, France
[2] Univ Texas, Dept Math Sci, El Paso, TX 79968 USA
[3] Claremont Mckenna Coll, Dept Math, Claremont, CA 91711 USA
来源
LINEAR & MULTILINEAR ALGEBRA | 2007年 / 55卷 / 06期
关键词
numerical index; numerical radius;
D O I
10.1080/03081080601030594
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let X be a Banach space and mu a positive measure. In this article, we show that n(L-p(mu,X)) = lim(m) n(l(p)(m) (X)), 1 <= p < infinity. Also, we investigate the positivity of the numberical index of l(p)-spaces.
引用
收藏
页码:507 / 513
页数:7
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