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希尔伯特空间上近似对偶g-框架的扰动新结果及特征刻画 被引量:1

New perturbation results and characterization on approximately dual g-frames in hilbert spaces
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摘要 得到了Hilbert空间近似对偶g-框架扰动的一些新结果;给出g-框架的近似对偶精确表达及其一些充分条件。 In this paper,some new results on approximately dual g-frames perturbation are presented. An explicit expression and some sufficient conditions for approximately dual g-frames are given.
作者 张伟 付艳玲
出处 《山东大学学报(理学版)》 CAS CSCD 北大核心 2016年第6期49-56,共8页 Journal of Shandong University(Natural Science)
基金 国家自然科学基金资助项目(11271037)
关键词 G-框架 近似对偶g-框架 扰动 g-frames approximately dual g-frames perturbation
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