Electronic Journal of Differential Equations,
Vol. 2000(2000), No. 25, pp. 1-14.

Title:   A classification scheme for positive solutions of second order 
         nonlinear iterative differential equations

Authors: Xianling Fan (Lanzhou Univ., Lanzhou, P. R. China)
 Wan-Tong Li (Lanzhou Univ., Lanzhou, P. R. China)
 Chengkui Zhong (Lanzhou Univ., Lanzhou, P. R. China)
         
Abstract: 
  This article presents a classification scheme for eventually-positive
  solutions of second-order nonlinear iterative differential equations, in
  terms of their asymptotic magnitudes. Necessary and sufficient conditions
  for the existence of solutions are also provided.

Submitted December 11, 1999. Published March 31, 2000.
Math Subject Classifications: 34K15.
Key Words: Nonlinear iterative differential equation; oscillation;  
eventually positive; asymptotic behavior.