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希尔伯特空间中近似标架的构造及扰动
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作者 付艳玲 张伟 《数学进展》 CSCD 北大核心 2019年第2期209-218,共10页
近似标架是标架的一个推广,近些年引起了一些学者的关注.本文研究近似标架的构造.证明了近似标架在有界满射作用下的像仍是近似标架;给出了近似标架的一些扰动结果;例子表明我们的结果是最优的.
关键词 近似 近似标架算子 扰动
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The Sum of Standard Generalized Frames in Hilbert W^*-Module
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作者 FU Huan Kun MENG Bin DONG Fang Fang 《Journal of Mathematical Research and Exposition》 CSCD 2009年第2期275-282,共8页
In this paper, the sum of standard generalized flames of Hilbert W^*-module is studied intensively by using operator-theoretic-methods, and some conditions are given to assure that the sum of two or more standard gen... In this paper, the sum of standard generalized flames of Hilbert W^*-module is studied intensively by using operator-theoretic-methods, and some conditions are given to assure that the sum of two or more standard generalized frames is a standard generalized frame. 展开更多
关键词 generalized frame in Hilbert W^*-module analyzing operator dual generalized frame frame operator DISJOINTNESS strong disjointness.
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