Abstract
We construct examples of non-autonomous planar systems of the formdz/dt=z n+p n−1(e it)z n−1+…+p 0(e it),p j —polynomials, which do not have periodic solutions. For the Riccati systemdz/dt=z 2+re it we express the valuesr j of the parameter for which there is no periodic solution by means of zeroes of some Bessel function.
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Submitted by J.P. Françoise
The work was supported by the Polish KBN Grant No 2 P03A 041 15
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Żołądek, H. Periodic planar systems without periodic solutions. Qual. Th. Dyn. Syst. 2, 45–60 (2001). https://doi.org/10.1007/BF02969380
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DOI: https://doi.org/10.1007/BF02969380