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作者:

Li, Yun-Zhang (Li, Yun-Zhang.) (学者:李云章) | Hussain, Tufail (Hussain, Tufail.)

收录:

SCIE

摘要:

The notion of R-dual in general Hilbert spaces was first introduced by Casazza et al. (J Fourier Anal Appl 10:383-408, 2004), with the motivation to obtain a general version of the duality principle in Gabor analysis. On the other hand, the space L-2(R+) of square integrable functions on the half real line R+ admits no traditional wavelet or Gabor frame due to R+ being not a group under addition. Fa-frame theory based on "function-valued inner product" is a new tool for analysis on L-2(R+). This paper addresses duality relations for Fa-frame theory in L-2(R+). We introduce the notion of Fa-R-dual of a given sequence in L-2(R+), and obtain some duality principles. Specifically, we prove that a sequence in L-2(R+) is an F-a-frame (F-a-Bessel sequence, F-a-Riesz basis, F-a-frame sequence) if and only if its F-a-R-dual is an FaRiesz sequence (F-a-Bessel sequence, F-a-Riesz basis, Fa-frame sequence), and that two sequences in L-2(R+) form a pair of Fa-dual frames if and only if their Fa-R-duals are F-a-biorthonormal.

关键词:

F-a-frame F-a-R-dual F-a-Riesz sequence Frame R-dual

作者机构:

  • [ 1 ] [Li, Yun-Zhang]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Hussain, Tufail]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China

通讯作者信息:

  • 李云章

    [Li, Yun-Zhang]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China

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来源 :

BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY

ISSN: 0126-6705

年份: 2021

期: 4

卷: 44

页码: 2401-2423

1 . 2 0 0

JCR@2022

ESI学科: MATHEMATICS;

ESI高被引阀值:5

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SCOPUS被引频次: 2

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