Abstract
Fusion-Riesz frame (Riesz frame of subspace) whose all subsets are fusion frame sequences with the same bounds is a special fusion frame. It is also considered a generalization of Riesz frame since it shares some important properties of Riesz frame. In this paper, we show a part of these properties of fusion-Riesz frame and the new results about the stabilities of fusion-Riesz frames under operator perturbation (simple named operator perturbation of fusion-Riesz frames). Moreover, we also compare the operator perturbation of fusion-Riesz frame with that of fusion frame, fusion-Riesz basis (also called Riesz decomposition or Riesz fusion basis) and exact fusion frame.
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Supported by the National Natural Science Foundation of China (11071152), the Natural Science Foundation of Guangdong Province (S2015A030313443).
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Li, Xb., Yang, Sz. Fusion-Riesz frame in Hilbert space. Appl. Math. J. Chin. Univ. 32, 339–352 (2017). https://doi.org/10.1007/s11766-017-3448-x
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DOI: https://doi.org/10.1007/s11766-017-3448-x