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Almost periodic solutions with a prescribed spectrum of systems of linear and quasilinear differential equations with almost periodic coefficients and constant time lag (Cauchy integral). (English) Zbl 0936.42003

Summary: This paper generalizes earlier author’s results where the linear and quasilinear equations with constant coefficients were treated. Here the method of limiting and a fixed-point theorem is used for the linear and quasilinear equations with almost periodic coefficients.

MSC:

42A75 Classical almost periodic functions, mean periodic functions
34C27 Almost and pseudo-almost periodic solutions to ordinary differential equations
43A60 Almost periodic functions on groups and semigroups and their generalizations (recurrent functions, distal functions, etc.); almost automorphic functions
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