Duals and approximate duals of g-frames in Hilbert spaces

Authors

  • A. Khosravi Faculty of Mathematical Sciences and Computer, Kharazmi University, Tehran, Iran
Abstract:

In this paper we get some results and applications for duals and approximate duals of g-frames in Hilbert spaces. In particular, we consider the stability of duals and approximate duals under bounded operators and we study duals and approximate duals of g-frames in the direct sum of Hilbert spaces. We also obtain some results for perturbations of approximate duals.

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Journal title

volume 04  issue 04

pages  259- 265

publication date 2015-12-01

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