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Zbl 1207.39016
Ge, Qi; Hou, Chengmin; Cheng, Sui Sun
Complete asymptotic analysis of a nonlinear recurrence relation with threshold control. (English)
[J] Adv. Difference Equ. 2010, Article ID 143849, 19 p. (2010). ISSN 1687-1847/e

Authors' abstract: We consider a three-term nonlinear recurrence relation involving a nonlinear filtering function with a positive threshold $\lambda $. We work out a complete asymptotic analysis for all solutions of this equation when the threshold varies from $0^{+}$ to $+\infty $. It is found that all solutions either tend to 0, a limit 1-cycle, or a limit 2-cycle, depending on whether the parameter $\lambda $ is smaller than, equal to, or greater than a critical value. It is hoped that techniques in this paper may be useful in explaining natural bifurcation phenomena and in the investigation of neural networks in which each neural unit is inherently governed by our nonlinear relation.
[Raghib Abu-Saris (Edmonton)]

MSC 2000:: *39A22
39A20 Generalized difference equations

Keywords: three-term nonlinear recurrence relation; nonlinear filtering function; asymptotic analysis; bifurcation; neural networks

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