International Journal of Difference Equations
  • Year: 2008
  • Volume: 3
  • Issue: 1

Oscillation theorems for certain fourth order nonlinear difference equations

  • Author:
  • Said R. Grace1, Ravi P. Agarwal2, Raffaella Pavani3, E. Thandapani4
  • Total Page Count: 15
  • Page Number: 71 to 85

1Department of Engineering Mathematics, Faculty of Engineering, Cairo University, Orman, Giza, 12221, Egypt

2Department of Mathematical Sciences, Florida Institute of Technology, Melbourne, FL 32901, USA

3Department of Mathematics, Politecnico di Milano, 20133 Milano, Italy

4Ramanujan Institute for Advanced Study in Mathematics, University of Madras, Chepauk, Chennai — 600 005, India

AMS subject classification: 39A10.

Abstract

We establish some new sufficient conditions for the oscillation of solutions of fourth order nonlinear difference equations and when

Keywords

Difference equation, oscillation, nonoscillation, comparison