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author:

杜丹丹 (杜丹丹.) [1] | 朱玉灿 (朱玉灿.) [2] (Scholars:朱玉灿)

Indexed by:

PKU

Abstract:

该文在Hilbert空间中讨论K-框架和紧K-框架在算子扰动中的稳定性.首先给出K-框架经过有界线性算子T扰动后为K-框架的充要条件,其次讨论了用两个Bessel序列或者两个K-框架构造新的K-框架的方法,最后给出用两个Bessel序列构造紧K-框架的充要条件.这些结果推广和改进了由Christensen和Casazza等得到的著名结果.

Keyword:

Bessel序列 K-框架 稳定性 紧K-框架

Community:

  • [ 1 ] 福州大学数学与计算机科学学院

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Source :

数学物理学报

ISSN: 1003-3998

CN: 42-1226/O

Year: 2021

Issue: 01

Volume: 41

Page: 29-38

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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