Linearization of functions

Linearization of functions
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函数的线性化

DOI:
10.1007/s00208-003-0502-1
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发表时间:
2004
期刊:
影响因子:
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通讯作者:
I. Zalduendo
I. Zalduendo
中科院分区:
--
文献类型:
--
作者:
D. Carando;I. Zalduendo

文献摘要

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给定函数f:U→的空间(U)是连续的,我们构造了另一个空间*(U)和一个映射:U→*(U)线性化所有函数f∈(U)(即存在Lf∈*(U)‘使得Lf^e=f)。这种线性化比仅对(U)的乘积更强,例如对于(U)=ℓ1,线性化对应于ℓ1的同构Toc0的乘积。我们还讨论了向量值的情况。在文献中可以找到许多这样的线性化结构,主要针对某些全纯函数空间。这里介绍的过程概括了所有这些特殊情况。
Given a space (U) of functionsf:U→ which are continuous, we construct another space*(U) and a mape:U→ *(U) linearizing all functionsf∈ (U) (i.e. there areLf∈*(U)’ such thatLf^e=f). Such linearizations are stronger than mere preduals for (U), for example for (U)=ℓ1, linearizations correspond to preduals of ℓ1which are isomorphic toc0. We also address the vector-valued case. A number of such linearizing constructions are to be found in the literarture, mostly for certain spaces of holomorphic functions. The procedure presented here generalizes all these special cases.