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
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
收藏
页码:1393 / 1409
页数:17
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