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On R-duals of Type III in Hilbert Spaces
Functional Analysis and Its Applications ( IF 0.4 ) Pub Date : 2022-01-25 , DOI: 10.1134/s0016266321030059
H. Führ 1 , J. Cheshmavar 2 , A. Akbarnia 2
Affiliation  

Abstract

Following work by Casazza, Kutyniok, and Lammers and its development by Stoeva and Christensen, we provide some novel characterizations of R-dual sequences of type III in Hilbert spaces. We systematically extend the construction procedure by basing it on a choice of an antiunitary involution. For certain classes of R-duals of type III, we derive a representation of the associated frame operator in terms of spectral measures.



中文翻译:

关于希尔伯特空间中类型 III 的 R-对偶

摘要

在 Casazza、Kutyniok 和 Lammers 的工作以及 Stoeva 和 Christensen 的开发之后,我们提供了希尔伯特空间中 III 型 R-对偶序列的一些新特征。我们系统地扩展了构造过程,它基于对反酉对合的选择。对于某些类型的 III 型 R-对偶,我们根据光谱测量得出相关框架算子的表示。

更新日期:2022-01-26
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