Applied Mathematics and Mechanics (English Edition) ›› 1994, Vol. 15 ›› Issue (9): 867-875.

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OSCILLATION THEOREMS OF HIGHER ORDER NONLINEARDELAY DIFFERENTIAL EQUATIONS

Jin Ming-zhong   

  1. Department of Basic Courses,Yunnan Institute of Technology, Kunming
  • Received:1994-04-02 Online:1994-09-18 Published:1994-09-18

Abstract: This paper has given necessary and sufficient conditions for oscillation of a classof higher order nonlinear delay differential equations, and given some sufficientconditions or necessary conditions for oscillation of a forced delay differentialequation.

Key words: relativity, absoluteness, time, space, mass, nonlinear, delay differential equation, oscillation

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