On Optimal Estimate of the Block Orthogonal Greedy Algorithm for g-Frames

被引：0

作者：

Poumai, Khole Timothy ^{[1
]}

Deep, Sunder ^{[2
]}

Kaushik, S. K. ^{[3
]}

机构：

[1] Univ Delhi, Motilal Nehru Coll, Dept Math, Delhi, India

[2] Univ Delhi, Dept Math, Delhi, India

[3] Univ Delhi, Kirori Mal Coll, Dept Math, Delhi, India

来源：

NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION | 2021年 / 42卷 / 12期

关键词：

Block orthogonal greedy algorithm; compressed sensing; g-frames; SIGNALS;

D O I：

10.1080/01630563.2021.1960860

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We obtain an optimal approximation of the block orthogonal greedy algorithm with regard to g-frames in Hilbert spaces and prove an optimal approximation result analogous to the result obtained by E. D. Livshitz [15] using dictionaries.

引用

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页码：1393 / 1409

页数：17

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