个人简介
Education
Ph.D, Department of Mathematics, Shanghai Jiaotongl University, Shanghai, 2004
Dissertation: Bifurcation of Periodic Solutions for Delay Differential Equations and Singular Perturbation Equations
Advisor: Prof.Mao-an Han
M.S., Department of Mathematics, He Bei Normal University, Shijiazhuang, 2001
Thesis: Oscillation of a class of Differential Difference Equations
Advisor: Prof. Zhenguo Zhang
B.S., Department of Mathematics, He Bei Normal University, Chongqing Shijiazhuang, 1998
Working experience
East China Normal University, Department of Mathematics (2004– present)
Visiting experience
Department of Mathematics, The University of Miami (2009.08-2010.08)
Center of PDE, East China Normal University (2012.02-2012.07)
研究领域
Bifurcation Theory of Differential Equations
Biology Math
近期论文
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Ping Bi, Heying Xiao, Bifurcation for a delayed Tumor-Immune Competition System with Diffusion terms, Journal of Biomathematics(in Chinese)，2015, 30(3):569-575.
Ping Bi, Heying Xiao, Hopf Bifurcation for Tumor-Immune Competition ?Systems with Delay , ?Electronic Journal of Differential Equations, Vol. 2014 (2014), No. 27, pp. 1-13
Ping Bi, Heying Xiao, Bifurcations of a Tumor-Immune Competition Systems with Delays, Abstract and Applied Analysis, Vol. 2014 (2014), 14-12-15.
Ping Bi, Shigui Ruan, Periodic and chaotic oscillations in a tumor and immune system interaction model with three delays, CHAOS, 24, No.2 (2014) ,1-16.ee delays, CHAOS, 24, No.2 (2014) ,1-16.
Ping Bi Dezhi Li Jie Xu, On generalized model of single species population dynamics. WIT Transactions on the Built Environment,(2014 )455-461.
Ping Bi, Shigui Ruan, Bifurcations in Delay Differential Equations and Applications to Tumor and Immune System Interaction Models SIAM Journal on Applied Dynamical Systems, Vol. 12, No. 4 (2013) 1847–1888.
Ping Bi, Xianlong Fu, Hopf Bifurcation in an Age-dependent Population Model with Delayed Birth Process, International Journal of Bifurcation and Chaos, 22, 1250146 (2012).?
Ping Bi, Zhixing Hu, Hopf bifurcation and stability for a neural network model with mixed delays, Applied Mathematics and Computation, Vol. 218, 12,6748-6761 (2012)．
Zhixing Hu, Ping Bi, Wanbiao Ma, Shigui Ruan*, Bifurcation of an SIRS epidemic model with nonlinear incident rate, Disrete and continuous dynamical systems, Series B,Vol.15, No.1, Jan.93–112 (2011) .
Ping Bi, Weipeng Zhang, Multiple Positive Periodic Solutions in a Impulsive Predator-Prey System with Type IV Functional Responses, Annals of Differential Equations, 23:4,391-399(2007).
Weipeng Zhang, Ping Bi, Deming Zhu, Oscillations of certain second-order nonlinear differential equations with impulses, Journal of East China NormalUniversity, Vol.3 ,39-48(2007).
Zhang Weipeng, Zhu Deming, Ping Bi, Existence of periodic solutions of a scalar functional differential equation via a fixed point theorem, Math. Comput. Modelling, 46 (5-6), 718-729 (2007).
Weipeng Zhang, Deming Zhu, Ping Bi, Multiple positive periodic solutions of a delayed discrete predator–prey system with type IV functional responses, Applied Mathematics Letters, Volume 20, , 1031-1038(2007).
Maoan Han, Yuhai Wu and Ping Bi, A New Cubic System Having Eleven Limit Cycles, Discrete and Continuous Dynamical Systems, Volume 12, No.4, 675–686 (2005).
Ping Bi, Maoan Han, Existence and Bifurcation of Periodic Solutions of Three—Dimensional Delay Differential Equation, International Journal of Bifurcation and Chaos, International Journal of Bifurcation and Chaos, 14(11), 3921-3929 (2004).
Maoan Han, Ping Bi and Dongmei Xiao, Bifurcation of Limit Cycles and Separatrix Loops in Singular Lienard Systems, Chaos, Solitons & Fractals Vol.20/3529-546(2004).
Maoan Han and Ping Bi, Existence and Bifurcation of Periodic Solutions of High—Dimensional Delay Differential Equation, Chaos Solitons & Fractals, Volume 20, Issue 5, 1027-1036(2004).
Maoan Han and Ping Bi , Bifurcation of Limit Cycles from a Double Homoclinic Loop with a Rough Saddle, Chin. Ann. Math., 25B(2), 233-242 (2004).
Ping Bi, Maoan Han and Yuhai Wu, Bifurcation of Periodic Solutions of Delay Differential Equation with Two Delays, Journal of Mathematical Analysis and Applications, 284,548-563(2003).
Ping Bi and Maoan Han, Oscillation of Second Order Difference Equations with Advanced rgument , Proceedings of the fourth International Conference on Dynamical Systems and Differential Equations. May 24-27, 2002, Wilmington, NC, USA 107-111(2002).
Ping Bi, Qiaoluan Li, Zhenguo Zhang and Wenlei Dong, Classification of Nonoscillatory Solutions of Higher-Order Nonlinear Difference Equations. Korean J.Comput.Appl. Math, No.2, 311-324 (2001).
Zhenguo Zhang, Ping Bi, Linear Oscillation of Second-Order Nonlinear Difference Equations with Damped Term. Comput. Math. Appl. 41, No.5-6, 659--667 (2001).
Zhenguo Zhang, Ping Bi and Jianfeng Chen, Oscillation of Second—Order Nonlinear Difference Equation with Continuous Variable. J. Math. Anal. Appl. 255 (2001), No.1,349--357.
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