On the Riesz Means of Expansions by Riesz Bases Formed by Eigenfunctions for the Ordinary Differential Operator of 4-th Order

Authors

  • M. B. Tahir
  • A. A. Aswhad

Abstract

The aim of this paper is prove a theorem on the Riesz mean of expansions with respect to Riesz bases, which extends the previous results of Loi and Tahir on the Schrodinger operator to the operator of 4-th order.

Published

16-Aug-2017

Issue

Vol. 22 No. 1 (2009)

Section

Mathematics

License

licenseTerms

How to Cite

[1]
Tahir, M.B. and Aswhad, A.A. 2017. On the Riesz Means of Expansions by Riesz Bases Formed by Eigenfunctions for the Ordinary Differential Operator of 4-th Order. Ibn AL-Haitham Journal For Pure and Applied Sciences. 22, 1 (Aug. 2017).