The Pseudo Almost Priodic Solutions For Differential Equation

In this paper, the existences of almost periodic solutions and pseudo almost periodic solutions for several classes of functional differential equations are investigated. This paper is organized by four parts: In Chapterl, we simply introduce the development of differential equations with piecewise constant argument. In Chapter2, we generalize the sufficient condition of the existences of pseudo almost periodic solutions of second-order neutral delay differential equations with piecewise constant argument in reference . In Chapter3, we consider a class of generalized second-order neutral delay differential equations with piecewise constant argument; by constructing pseudo almost periodic solutions of the difference equation and using the fixed point theorem, we obtain a sufficient condition of the existences of pseudo-almost periodic solutions of the equation.In chapter 4, we considers the problem numerical solution of differential equation in fuzzy initial value condition,set up a method of fuzzy simulation.