Chinese Quarterly Journal of Mathematics ›› 2011, Vol. 26 ›› Issue (2): 256-259.

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Existence of Periodic Solution for a Kind of Functional Differential Equation 

  

  1. 1. Department of Mathematics, Jiaying University2. Department of Mathematics and Information Technology, Hanshan Normal University

  • Received:2007-06-22 Online:2011-06-30 Published:2023-05-04
  • About author:LIN Jin-quan(1964-), male, native of Xinning, Guangdong, a lecturer of Jiaying University, engages in functional differential equation.

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Abstract: In this paper, a kind of high order functional differential equation is considered. By using the theory of concidence degree, a sufficient condition of existence of at least one 2π-period solution is obtained.

Key words: functional differential equation, 2π-period solution, concidence degree

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