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(9) 研究方向 科研成果 教学工作 荣誉奖励 社会兼职 Research Interests:    1. Differential Equation and Dynamical System    2. Qualitative Theory and Symbolic Computation    3. Mathematical BiologySelected Publications:     1. Yun Tian, Pei Yu, Bifurcation of small limit cycles in cubic integrable systems using higher-order analysis, Journal of Differential Equations,  2018, 264(9): 5950–5976 [PDF]     2. Yun Tian, Maoan Han, Hopf and homoclinic bifurcations for near-Hamiltonian systems, Journal of Differential Equations, 2017, 262: 3214–3234 [PDF]     3. Yun  Tian, Pei Yu, Bifurcation of ten small-amplitude limit cycles by perturbing a quadratic Hamiltonian system with cubic polynomials,  Journal of Differential Equations, 2016, 260: 971-990 [PDF]      4. Yun  Tian, Yuan Yuan, Effect of an HIV virotherapy model with nonlinear incidence and delays in cell infection and virus production, Proc. R.  Soc. A, 2016, 472:20150626 [PDF]     5. Yun Tian, Pei Yu, Center conditions for a switching Bautin system, Journal of Differential Equations, 2015, 259: 1203-1226 [PDF]     6. Yun  Tian, Pei Yu, An explicit recursive formula for computing the normal forms associated with semi-simple cases, Commun. Nonlinear Sci. Numer.  Simulat., 2014, 19: 2294-2308 [PDF]     7. Yun Tian, Maoan Han, Hopf bifurcation for two types of Lienard systems, Journal of Differential Equations, 2011, 251: 834-859 [PDF] 教职工课程信息开课学年开课学期课程名称2023-20241文科高等数学2022-20232常微分方程2022-20231文科高等数学2021-20222常微分方程2020-20211高等数学2019-20202常微分方程2019-20201高等数学2018-20192常微分方程2023-20242常微分方程2020-20212高等数学2016-20172研究生课程2017-20181高等数学2017-20182常微分方程

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