On Quasi-Periodic Solutions of Different
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Tassilo Küpper; Rong Yuan
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Article
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2002
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Elsevier Science
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English
⚖ 150 KB
We study the existence of quasi-periodic solutions to differential equations with piecewise constant argument (EPCA, for short). It is shown that EPCA with periodic perturbations possess a quasi-periodic solution and no periodic solution. The appearance of quasi-periodic rather than periodic solutio