Abstract.
This paper is concerned with a first order iterative functional differential equation of the form x′ (z) = f(x(p(z) + bx(z))). By constructing a convergent power series solution of an auxiliary equation of the form \(\beta y^\prime(\beta z)-p^\prime(y(z))y^\prime(z) = by^\prime(z)f\left[\frac{1}{b}(y(\beta^{2}z)-p(y(\beta z)))\right]\), analytic solutions of the form \(x(z) = \frac{1}{b}[y(\beta y^{-1}(z))-p(z)]\) for the original equation are obtained.
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Received: June 21, 2008. Revised: March 1, 2009.
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Liu, J. Analytic Solutions of a First Order Iterative Functional Differential Equation. Results. Math. 55, 129–137 (2009). https://doi.org/10.1007/s00025-009-0388-7
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DOI: https://doi.org/10.1007/s00025-009-0388-7