Oscillation Criteria for Higher Order Nonlinear Functional Difference Equations
S. Kaleeswari *
Department of Science and Humanities, Nehru Institute of Engineering and Technology, Anna University, Coimbatore, Tamil Nadu, India.
B. Selvaraj
Department of Science and Humanities, Nehru Institute of Engineering and Technology, T. M. Palayam, Coimbatore, Tamil Nadu, India.
*Author to whom correspondence should be addressed.
Abstract
In this paper some criteria for the oscillation of high order functional difference equation of the form
where 
is discussed. Examples are given to illustrate the results.
Keywords: Functional difference equation, Nonlinear, non-oscillation, oscillation