Generalized Continuous Frames for Operators

نویسندگان

  • Chander .Shekhar Department of Mathematics Indraprastha college for Women, University of Delhi, Delhi 110054, India.
  • G.S. Rathore Department of Mathematics and Statistics, University college of Science, M.L.S. University, Udaipur, Rajasthan, India.
  • Sunayana Bhati Department of Mathematics and Statistics, University college of Science, M.L.S. University, Udaipur, Rajasthan, India.
چکیده مقاله:

In this note, the notion of generalized continuous K- frame in a Hilbert space is defined. Examples have been given to exhibit the existence of generalized continuous $K$-frames. A necessary and sufficient condition for the existence of a generalized continuous $K$-frame in terms of its frame operator is obtained and a characterization of a generalized continuous $K$-frame for $ mathcal{H} $ with respect to $ mu $ is given. Also, a sufficient condition for a generalized continuous $K$-frame is given.  Further, among other results, we prove that generalized continuous $K$-frames are invariant under a linear  homeomorphism. Finally, keeping in mind the importance of perturbation theory in various branches of applied mathematics, we study perturbation of $K$-frames and obtain conditions for the stability of generalized continuous $K$-frames.

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عنوان ژورنال

دوره 17  شماره 2

صفحات  185- 201

تاریخ انتشار 2020-06-01

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