International Journal of Mathematics and Mathematical Sciences
Volume 2003 (2003), Issue 33, Pages 2109-2118
doi:10.1155/S0161171203209030
Oscillation for advanced differential equations with oscillating coefficients
Xianyi Li1
, Deming Zhu2
and Hanqing Wang3
1School of Mathematics and Physics, Nanhua University, Hengyang 421001, China
2Department of Mathematics, East China Normal University, Shanghai 200062, China
3School of Architectural Engineering, Resources and Environment, Nanhua University, Hengyang 421001, China
Abstract
Some sufficient conditions are established for the oscillation of all solutions of the advanced differential equation x′(t)−p(t)x(t+τ)=0, t≥t0, where the coefficient p(t)∈C([t0,∞),R) is oscillatory, and τ is a positive constant.