Abstract and Applied Analysis
Volume 2012 (2012), Article ID 492576, 12 pages
http://dx.doi.org/10.1155/2012/492576
Research Article

The Regularized Trace Formula of the Spectrum of a Dirichlet Boundary Value Problem with Turning Point

Zaki F. A. El-Raheem1 and A. H. Nasser2

1Department of Mathematics, Faculty of Education, Alexandria University, Alexandria 21526, Egypt
2Faculty of Industrial Education, Helwan Unversity, Cairo, Egypt

Received 12 May 2012; Revised 17 September 2012; Accepted 17 September 2012

Academic Editor: Toka Diagana

Copyright © 2012 Zaki F. A. El-Raheem and A. H. Nasser. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We calculate the regularized trace formula of the infinite sequence of eigenvalues for some version of a Dirichlet boundary value problem with turning points.