EXISTENCE OF PERIODIC SOLUTIONS TO A KIND OF n-ORDER NEUTRAL FUNCTIONAL DIFFERENTIAL EQUATION
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作者:
Zhou Guifang Jiang Wei Du jun School of Math and Computational Science Anhui University Hefei Dept of Math Huainan Normal University Huainan Anhui
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Zhou Guifang Jiang Wei Du jun School of Math and Computational Science Anhui University Hefei Dept of Math Huainan Normal University Huainan Anhui
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By means of the continuation theorem of coincidence degree theory, we study a kind of n-order neutral functional differential equation. Some new results on the existence of periodic solutions are obtained.