廖茂新,李先义,胡义香.一类四阶有理型差分方程的全局稳定性和环长规律[J].南华大学学报(自然科学版),2006,20(4):1~5.[.Rules of Cycle Length and Global Behavior of Fourth-Order Rational Difference Equation[J].Journal of University of South China(Science and Technology),2006,20(4):1~5.] |
一类四阶有理型差分方程的全局稳定性和环长规律 |
Rules of Cycle Length and Global Behavior of Fourth-Order Rational Difference Equation |
修订日期:2006-11-02 |
DOI: |
中文关键词: 有理差分方程 半环 环长 全局渐近稳定 |
英文关键词:rational difference equation,semicycle,cycle length,global asymptotic stability |
基金项目:湖南省教育厅青年基金;南华大学重点资助项目 |
廖茂新 李先义 胡义香 |
南华大学数理学院,湖南衡阳421001 |
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中文摘要: |
考虑一类四阶有理型差分方程,清楚地描述了其解的环长规律,即一个周期的环长规律为:3^+,4^-,1^+,1^-,1^+,2^-,2^+,1^-;并得到方程的正平衡点是全局渐近稳定的. |
英文摘要: |
In this paper a fourth-order rational difference equation is considered.The rule of the cycle length for the solutions of the equation is clearly described.Namely,the rule is 3~+,4~-,1~+,1~-,1~+,2~-,2~+,1~-in a period.And,the global asymptotical stability of positive equilibrium point of the equation is obtained. |
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