Dilations of *-Frames and their operator Duals

azadeh alijani


Theory of frame has extended from Hilbert spaces to Hilbert C*-modules. The paper introduces operator duals for frames with C*-valued bounds in Hilbert C*-modules. It is shown that operator duals for frames (*-frames) share several useful properties with ordinary duals. Some operator duals are constructed by a given operator dual or a given *-frame. Also, a characterization of all of operator duals for a given *-frame is obtained. Moreover, dilations of frames and their operator duals are studied. And, a application for frames and operator duals is suggested.


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