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arXiv 2110.03355math.OA
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Hilbert C $^*$ -模中受控$K$ -Fusion框架在子模删除下的鲁棒性

Robustness of controlled $K$-Fusion Frame in Hilbert C$^*$-modules under erasures of submodules

Nadia Assila, Samir Kabbaj, Mohamed Otmani

摘要:

受控$\ast$ -K-融合框架是框架理论中受控融合框架的推广。本文提出了Hilbert $C^{\ast}$ -模上的受控$\ast$-k-融合框架的概念。我们给出了一些特征并得到了它们的一些性质。然后研究了Hilbert $C^{\ast}$ -模中受控$k$ -融合框架的子模的擦除,给出了删除某些子模后序列仍为标准受控k-融合框架的充分条件。最后,我们在Hilbert $C^{\ast}$ -模中引入了受控$K$ -fusion框架的扰动,并证明了在一定条件下受控$K$ -fusion框架在这种扰动下是稳定的,推广了受控$K$ -fusion框架的扰动的一些结果.

英文摘要:

Controlled $\ast$-K-fusion frames are generalization of controlled fusion frames in frame theory. In this paper, we propose the notion of controlled $\ast$-k-fusions frames on Hilbert $C^{\ast}$-modules. We give some caraterizations and some of their properties are obtained. Then we study the erasures of submodules of a controlled $k$-fusion frame in Hilbert $C^{\ast}$-modules and we present some sufficient conditions under which a sequence remains a standart controlled k-fusion frame after deletion of some submodules. Finally, we introduce a perturbation for controlled $K$-fusion frames in Hilbert $C^{\ast}$-modules and it is shown that under some conditions controlled $K$-fusion frames are stable under this perturbation, and we generalize some of the results obtained for perturbations of controlled $K$-fusion frames.

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