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Orthogonal Elements in Nonseparable Rearrangement Invariant Spaces
Doklady Mathematics ( IF 0.5 ) Pub Date : 2021-03-10 , DOI: 10.1134/s1064562420060058
S. V. Astashkin , E. M. Semenov

Abstract

Let E be a nonseparable rearrangement invariant space, and let E0 denote the closure of the set of all bounded functions in E. We study elements of E orthogonal to the subspace E0, i.e., elements \(x \in E\) such that \({{\left\| x \right\|}_{E}} \leqslant {{\left\| {x + y} \right\|}_{E}}\) for any \(y \in {{E}_{0}}\).



中文翻译:

不可分重排不变空间中的正交元素

摘要

Ë是不可分离的重排不变的空间,让ē 0表示在集合的所有界函数关闭Ë。我们研究的元素Ë正交的子空间é 0,即元素\(X \于E \) ,使得\({{\左\ | X \右\ |} _ {E}} \ leqslant {{\左\ | {x + y} \ right \ |} _ {E}} \)对于任何\(y {in {{E} _ {0}} \))

更新日期:2021-03-10
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