Nonlinear Analysis · 2006 · 116 citations · 18 references
In this paper we introduce a general type of differential equations with piecewise constant argument (EPCAG). The existence of global integral manifolds of the quasilinear EPCAG is established when the associated linear homogeneous system has an exponential dichotomy. The smoothness of the manifolds is investigated. The existence of bounded and periodic solutions is considered. A new technique of investigation of equations with piecewise argument, based on an integral representation formula, is proposed. Appropriate illustrating examples are given.
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Oscillatory and periodic solutions of delay differential equations with piecewise constant argument
A.R. Aftabizadeh, Joseph Wiener, Jian-Ming Xu · Proceedings of the American Mathematical Society · 1987 · 115 citations · Full text
Periodic Solutions, Time Delay System, Piecewise Constant Argument +10