Electronic Journal of Differential Equations,
Vol. 2005(2005), No. 91, pp. 1-14.

Title: Oscillation of high order linear functional differential 
       equation with impulses

Authors: Haihua Liang (South China Normal Univ., Guangzhou, China)
         Weizhen Feng (South China Normal Univ., Guangzhou, China)

Abstract: 
 We study the solutions to high-order linear functional differential
 equations with  impulses. We improve previous results in the
 oscillation theory for ordinary differential equations and obtain
 new criteria on the oscillation  of solutions.
  
Submitted June 28, 2005. Published August 21, 2005.
Math Subject Classifications: 34A37, 34K06, 34K11, 34K25.
Key Words: High order; impulses; differential  equation; 
           solution; oscillation.