## Abstract

By constructing almost periodic sequence solutions to difference equations, the existence of almost periodic solutions of neutral delay differential equations with piecewise constant argument

is studied.

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Project supported by the National Natural Science Foundation of China.

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Yuan, R. Existence of almost periodic solutions of second order neutral delay differential equations with piecewise constant argument.
*Sci. China Ser. A-Math.* **41**, 232–241 (1998). https://doi.org/10.1007/BF02879041

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DOI: https://doi.org/10.1007/BF02879041