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On some equalities and inequalities for k-frames

Author

Listed:
  • Fahimeh Arabyani Neyshaburi

    (Hakim Sabzevari University)

  • Ghadir Mohajeri Minaei

    (Technical and Vocational University, Neyshabur Branch)

  • Ehsan Anjidani

    (University of Neyshabur)

Abstract

K-frame theory was recently introduced to reconstruct elements from the range of a bounded linear operator K in a separable Hilbert space. This significant property is worthwhile especially in some problems arising in sampling theory. Some equalities and inequalities have been established for ordinary frames and their duals. In this paper, we continue and extend these results to obtain several important equalities and inequalities for K-frames. Moreover, by applying Jensen’s operator inequality we obtain some new inequalities for K-frames.

Suggested Citation

  • Fahimeh Arabyani Neyshaburi & Ghadir Mohajeri Minaei & Ehsan Anjidani, 2019. "On some equalities and inequalities for k-frames," Indian Journal of Pure and Applied Mathematics, Springer, vol. 50(2), pages 297-308, June.
    • Handle: RePEc:spr:indpam:v:50:y:2019:i:2:d:10.1007_s13226-019-0325-8
    DOI: 10.1007/s13226-019-0325-8
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