Periodic solutions for a neutral differential equation with variable parameter

Bo Du, Jianxin Zhao, Weigao Ge

DOI: http://dx.doi.org/10.12775/TMNA.2009.017

Abstract


By means of Mawhin's continuation theorem, we
present some sufficient conditions which guarantee the existence of
at least one $T$-periodic solution for a first-order neutral
equation with variable parameter. The interest is that the
coefficient $c$ is not a constant, which is different from the
corresponding ones of past work.

Keywords


Neutral; variable parameter; periodic solution; Mawhin's continuation theorem

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