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Author:

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

Indexed by:

Scopus SCIE

Abstract:

Structured frames such as wavelet and Gabor frames in L2(R) have been extensively studied. But L2(R+) cannot admit wavelet and Gabor systems due to R+ being not a group under addition. In practice, L2(R+) models the causal signal space. The function-valued inner product-based Fa-frame for L2(R+) was first introduced by Hasankhani Fard and Dehghan, where an Fa-frame was called a function-valued frame. In this paper, we introduce the notions of Fa-equivalence and unitary Fa-equivalence between Fa-frames, and present a characterization of the Fa-equivalence and unitary Fa-equivalence. This characterization looks like that of equivalence and unitary equivalence between frames, but the proof is nontrivial due to the particularity of F-a-frames.

Keyword:

F-a-Frame F-a-Equivalence Frame

Author Community:

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

Reprint Author's Address:

  • 李云章

    [Li, Yun-Zhang]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China

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Source :

JOURNAL OF INEQUALITIES AND APPLICATIONS

ISSN: 1029-242X

Year: 2020

Issue: 1

Volume: 2020

1 . 6 0 0

JCR@2022

ESI Discipline: MATHEMATICS;

ESI HC Threshold:46

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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