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PERIODIC  SOLUTION  AND  ASYMPTOTICITY OF  ABEL  EQUATION
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作者 王荣良 吴昌志 《Annals of Differential Equations》 1999年第1期68-76,共9页
In this artical the existence, stability and asymptoticity of periodic solutionfor Abel equation :as well as ones for its special cases are discussed, where a(t), b(t), c(t) and d(t)are real periodic functions.
关键词 equation periodic solution asymptoticityams subject classification 34c25
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NECESSARV  AND  SUFFICIENT  CONDITIONS FOR  THE  EXISTENCE  AND  UNIQUENESS OF  PERIODIC  SOLUTIONS  OF  LINEAR FUNCTIONAL  DIFFERENTIAL  EQUATIONS WITH CONSTANT COEFFICIENTS
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作者 徐玉民 邓其飞 +1 位作者 刘永清 冯昭枢 《Annals of Differential Equations》 1999年第1期83-92,83-98,共16页
In this paper, the existence and uniqueness of periodic solutions of linearfunctional differential equat,ions, including neutral equations, with constant coef-ficients are investigated, necessary and sufficient condit... In this paper, the existence and uniqueness of periodic solutions of linearfunctional differential equat,ions, including neutral equations, with constant coef-ficients are investigated, necessary and sufficient conditions for the existence anduniqueness of periodic solutions of linear neutral functional differential equationsand some of their special oases are given via systems of linear algebraic equations. Especially, the problems of existonce and Uniqueness of periodic solutions ofgeneral linear functional differential equations of non-neutral type are completelysolved. 展开更多
关键词 lineal. functional differential equation periodic solution necessary and sufficicnt condition Fourier seriesAMS subject classification 34C 34K
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