Acta mathematica scientia,Series A ›› 1997, Vol. 17 ›› Issue (S1): 120-124.

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Oscillatory Properties of Solutions of Impulsive Delay Differential Equations With Positive and Negative Coefficients

Zhang Yuzhu1, Yan Jurang2   

  1. 1. Shanxi Economic Management institute, Taiyuan 030006;
    2. Department of Mathematics, Shanxi University, Taiyuan 030006
  • Received:1996-05-13 Revised:1996-08-19 Online:1997-12-26 Published:1997-12-26

Abstract: In this paper, we consider the first order impulsive delay differential equations with positive and negative coefficients, two sufficient conditions are obtained for the oscillation of all of its solutions.

Key words: Impulsive equation, eventually positive solution, oscillation

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