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Properties of J-fusion frames in Krein space
Shibashis Karmakar, Sk. Monowar Hossein, Kallol Paul
In this paper we characterize -1-uniform -Parseval fusion frames in a Krein space . We provide a few results regarding construction of new -tight fusion…
J-fusion frame for Krein spaces
Shibashis Karmakar
In this article we introduce the notion of -fusion frame for a Krein space . We relate this new concept with fusion frames for Hilbert spaces and also with -frame…
Tight J-frames in Krein space and the associated J-frame potential
Sk. Monowar Hossein, Shibashis Karmakar, Kallol Paul
Motivated by the idea of -frame for a Krein space , introduced by Giribet \textit{et al.} (J. I. Giribet, A. Maestripieri, F. Martínez Pería, P. G. Massey,…
J-Frame Sequences in Krein Space
Shibashis Karmakar, SK. Monowar Hossein, Kallol Paul
Let be a -frame for a Krein space and be a -orthogonal projection from onto a subspace . In…