Scientific Research

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Paper Publications

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• Automatic search for multiple limit cycles in three-dimensional Lotka–Volterra competitive systems with classes 30 and 31 in Zeeman's classification, Journal of Mathematical Analysis and Applications. 2008,348(1)
• Stability analysis for Lotka–Volterra systems based on an algorithm of real root isolation, Journal of Computational & Applied Mathematics. 2007,201(2):367-373
• Analytical solution of the linear fractional differential equation by Adomian decomposition method[, Journal of Computational and Applied Mathematics. 2008,215(1):220-229
• A characteristic set method for ordinary difference polynomial systems[, Journal of Symbolic Computation. 2009,44(3):242-260
• Three Limit Cycles for a Three-Dimensional Lotka-Volterra Competitive System with a Heteroclinic Cycle, Computers & Mathematics with Applications. 2003,46(2):231-238
• Two limit cycles in three-dimensional Lotka-Volterra systems, Computers & Mathematics With Applications. 2002,44:51-66

Patents

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Research Projects

• 微分动力系统定性分析的计算机辅助证明（数学天元基金）,国家自然科学基金委员会,罗勇
• 符号计算在微分-差分多项式动力系统中的应用,国家自然科学基金委员会,罗勇