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检索条件"主题词=g-frames"
4 条 记 录,以下是1-10 订阅
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SOME PROPERTIES OF OPERATOR-VALUED frames
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Acta Mathematica Scientia 2016年 第2期36卷 469-476页
作者: Laura gAVRUTA Pasc gAVRUTA politehnica university of timisoara department of mathematicsVictoriei Square no.2300006 TimisoaraRomania
Operator-valued frames (or g-frames) are generalizations of frames and fusion frames and have been used in packets encoding, quantum computing, theory of coherent states and more. In this article, we give a new form... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
INVERTIBLE SEQUENCES OF BOUNDED LINEAR OPERATORS
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Acta Mathematica Scientia 2011年 第5期31卷 1939-1944页
作者: 臧丽丽 孙文昌 Department of Mathematics and LPMC Nankai University
In this paper, we study the invertibility of sequences consisting of finitely many bounded linear operators from a Hilbert space to others. We show that a sequence of operators is left invertible if and only if it is ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
g-Frame Representation and Invertibility of g-Bessel Multipliers
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Journal of Mathematical Research with Applications 2013年 第4期33卷 392-402页
作者: A.ABDOLLAHI E.RAHIMI Department of Mathematics College of Sciences Shiraz University Department of Mathematics Shiraz Branch Islamic Azad University
In this paper we show that every g-frame for an infinite dimensional Hilbert space H can be written as a sum of three g-orthonormal bases for H. Also, we prove that every g-frame can be represented as a linear combina... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Hilbert空间H中g-框架的扰动(英文)
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Journal of Mathematical Research and Exposition 2008年 第4期28卷 1037-1041页
作者: 姚喜妍 Department of Applied Mathematics Yuncheng University
In this paper, we discuss the properties of g-frames and g-frame operators for Hilbert spaces by utilizing the method of operator theory. Furthermore, we study perturbations of g-frames, and obtain some meaningful res... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论