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LIU Ling-xia
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Abstract: The existence of an analytic solution was discussed for a first order iterative functional differential equation x′(z)=1/x(az+bx(z)), z∈C (Ⅰ) in a complex field. In previous work[6], the eigen-value of the linearization was required to fulfill that α is not on the unit circle or lies on the circle with the Diophantine condition. Results of the analytic solution were obtained in the case that α was the unit root and the case that α is near resonance under the Brjuno condition.
Key words: majorant series , analytic solution, iterative
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LIU Ling-xia . Existence of an analytic solution for a first order iterative functional differential equation[J].J4, 2007, 42(12): 82-86 .
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http://lxbwk.njournal.sdu.edu.cn/EN/Y2007/V42/I12/82
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