教育背景:
博士,计算数学,上海师范大学,2008.09-2011.01
硕士,基础数学,上海师范大学,2005.09-2008.06
学士,基础数学,河北师范大学,1998.09-2002.06
工作经历:
2011年7月至今,河北师范大学数学与信息科学学院
教学情况:
主讲《数学分析》、《高等数学》、《常微分方程》、《空间解析几何》
获奖情况:
2013年获“上海市研究生优秀成果(学位论文)”奖
科研情况:
一. 承担科研项目情况
1. 国家自然科学基金面上项目 (No.11571090),2016-2019,主持;
2. 国家自然科学基金青年基金 (No.11101118),2012-2014,主持;
3. 河北省自然科学基金(No. A2012205074),2012-2014,主持;
4. 河北师范大学博士基金(No. A2012205074),2012-2014,主持.
二.代表性论文
1. Yang, Junmin; Yu, Pei; Nine limit cycles around a singular point by perturbing a cubic Hamiltonian system with a nilpotent center . Applied Mathematics and Computation 298(2017),141-152.(SCI)
2. Yang, Junmin; Zhou, Lina; Limit cycle bifurcations in a kind of perturbed Liénard system. Nonlinear Dynam. 85 (2016), no. 3, 1695–1704. (SCI)
3. Yang, Junmin; Sun, Xianbo; Bifurcation of limit cycles for some Liénard systems with a nilpotent singular point. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 25 (2015), no. 5, 1550066, 14 pp. (SCI)
4. Yang, Junmin; Liang, Feng; Limit cycle bifurcations of a kind of Liénard system with a hypobolic saddle and a nilpotent cusp. J. Appl. Anal. Comput. 5 (2015), no. 3, 515–526. (SCI)
5. Yang, Junmin; Xiong, Yanqin; Han, Maoan; Limit cycle bifurcations near a 2-polycycle or double 2-polycycle of planar systems. Nonlinear Anal. 95 (2014), 756–773. (SCI)
6. Yang, Junmin; On the limit cycles of a kind of Liénard system with a nilpotent center under perturbations.J. Appl. Anal. Comput. 2 (2012), no. 3, 325–339. (SCI)
7. Yang, Junmin; Han, Maoan; Computation of expansion coefficients of Melnikov functions near a nilpotent center. Comput. Math. Appl. 64 (2012), no. 6, 1957–1974. (SCI)
8. Yang, Junmin; Han, Maoan Limit cycle bifurcations of some Liénard systems with a cuspidal loop and a homoclinic loop. Chaos Solitons Fractals 44 (2011), no. 4-5, 269–289. (SCI)
9. Yang, Junmin; Han, Maoan; Huang, Wenzhang; On Hopf bifurcations of piecewise planar Hamiltonian systems. J. Differential Equations 250 (2011), no. 2, 1026–1051. (SCI)
10. Yang, Junmin; Han, Maoan; Limit cycle bifurcations of some Liénard systems with a nilpotent cusp.Internat. J. Bifur. Chaos Appl. Sci. Engrg. 20 (2010), no. 11, 3829–3839. (SCI)
11. Yang, Junmin; Han, Maoan; Li, Jibin; Yu, Pei; Existence conditions of thirteen limit cycles in a cubic system. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 20 (2010), no. 8, 2569–2577. (SCI)
12. Yang, Junmin; Han, Maoan; Hopf bifurcation for cubic perturbations of quadratic integrable non-Hamiltonian systems. (Chinese) Chinese Ann. Math. Ser. A 31 (2010), no. 3, 305–320.
13. Yang, Junmin; Han, Maoan; Romanovski, Valery G. ; Limit cycle bifurcations of some Liénard systems. J. Math. Anal. Appl. 366 (2010), no. 1, 242–255. (SCI)
14. Yang, Junmin; Han, Maoan; On the number of limit cycles of a cubic near-Hamiltonian system. Discrete Contin. Dyn. Syst. 24 (2009), no. 3, 827–840. (SCI)
15. Yang, Junmin; Han, Maoan; Limit cycles near a double homoclinic loop. Ann. Differential Equations 23(2007), no. 4, 536–545.
16. Liang, Feng; Yang, Junmin; Limit cycles near a piecewise smooth generalized homoclinic loop with a nonelementary singular point. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 25 (2015), no. 13, 1550176, 22 pp. (SCI)
17. Sun, Xianbo; Yang, Junmin; Sharp bounds of the number of zeros of Abelian integrals with parameters.Electron. J. Differential Equations 2014, No. 40, 12 pp. (SCI)
18. Sun, Xianbo; Yang, Junmin; Small limit cycles bifurcating from Z4-equivariant near-Hamiltonian system of degrees 9 and 7. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 22 (2012), no. 11, 1250272, 12 pp. (SCI)
19. Su, Jing; Yang, Junmin; Han, Maoan Hopf bifurcation of Liénard systems by perturbing a nilpotent center.Internat. J. Bifur. Chaos Appl. Sci. Engrg. 22 (2012), no. 8, 1250203, 7 pp. (SCI)
20. Han, Maoan; Yang, Junmin; Xiao, Dongmei; Limit cycle bifurcations near a double homoclinic loop with a nilpotent saddle. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 22 (2012), no. 8, 1250189, 33 pp. (SCI)
21. Han, Maoan; Yang, Junmin; Yu, Pei; Hopf bifurcations for near-Hamiltonian systems. Internat. J. Bifur. Chaos Appl. Sci. Engrg. 19 (2009), no. 12, 4117–4130. (SCI)
22. Han, Maoan; Yang, Junmin; Tar?a, Alexandrina-Alina; Gao, Yang; Limit cycles near homoclinic and heteroclinic loops. J. Dynam. Differential Equations 20 (2008), no. 4, 923–944. (SCI)
23. Sun, Xianbo; Han, Maoan; Yang, Junmin; Bifurcation of limit cycles from a heteroclinic loop with a cusp. Nonlinear Anal. 74 (2011), no. 9, 2948–2965. (SCI)
24. Han, Maoan; Yan, Hui; Yang, Junmin; Lhotka, Christoph; On the number of limit cycles of some Liénard systems. Can. Appl. Math. Q. 17 (2009), no. 1, 61–83.
25. Han, Maoan; Zang, Hong; Yang, Junmin; Limit cycle bifurcations by perturbing a cuspidal loop in a Hamiltonian system. J. Differential Equations 246 (2009), no. 1, 129–163. (SCI)
26. Zhao, Yong; Han, Maoan; Yang, Junmin; Limit cycles of a quadratic Hamiltonian system by cubic perturbations. Ann. Differential Equations 23 (2007), no. 4, 593–602.
河北师范大学数学与信息科学学院(田家炳教育书院
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