Joint similarities and parameterizations for Naimark complementary frames

Joint similarities and parameterizations for Naimark complementary frames
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Naimark 互补框架的联合相似性和参数化

DOI:
10.1016/j.jmaa.2018.01.072
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发表时间:
2018
影响因子:
1.3
通讯作者:
Han, Deguang
Han, Deguang
中科院分区:
数学3区
文献类型:
--
作者:
Guo, Xunxiang;Han, Deguang

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众所周知,对于给定的帧,Naimark互补帧在相似性上不一定是唯一的。本文引入了给定对偶框架对的联合互补框架对的概念,并证明了它们在联合相似意义下是唯一的。作为应用,我们给出了两个Naimark互补框架相似的充要条件。对于不同的对偶框架对,我们给出了它们的联合互补框架对的算子参数化。
It is known that the Naimark complementary frames for a given frame are not necessarily unique up to the similarity. In this paper we introduce the concept of joint complementary frame pairs for a given dual frame pair, and prove that they are unique up to the joint similarity. As an application, we give a necessary and sufficient condition under which two Naimark complementary frames are similar. For different pairs of dual frames, we present an operator parameterization for their joint complementary frame pairs.
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