职称/职务：教授
E - mail:jmyang@hebtu.edu.cn
研究领域：微分方程与动力系统
来校时间：2011年
个人简介：
1978年生，汉族，博士生导师。2011年1月毕业于上海师范大学，获理学博士学位，博士毕业论文在2013年获得“上海市研究生优秀成果(学位论文)”奖。现在主要从事微分方程与动力系统方向的研究工作，主要研究内容为非线性微分系统的分支问题，包括Hopf分支、同宿分支、异宿分支等。在顶级杂志《J. Differential Equations》上发表论文2篇，在《Nonlinear Anal.》， 《Discrete Contin. Dyn. Syst.》， 《 Appl. Math. Comput.》，《 J. Dynam. Differential Equations》，《Internat. J. Bifur. Chaos Appl. Sci. Engrg.》，《J. Math. Anal. Appl.》等SCI学术期刊上发表论文多篇。主持多项国家自然科学基金和河北省自然科学基金。2015/07-2016/08年在加拿大西安大略大学做访问学者。
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.11971145)，2020-2023，主持；
2.国家自然科学基金面上项目 (No.11571090)，2016-2019，主持；
3.国家自然科学基金青年基金 (No.11101118)，2012-2014，主持；
4.河北省自然科学基金(No. A2019205133)，2019-2021，主持;
5.河北师范大学杰出青年基金(No. L2017J01)，2017-2019，主持.
二．代表性论文
1.Yang, Junmin; Yu, Pei; Han, Maoan; Limit cycle bifurcations near a double homoclinic loop with a nilpotent saddle of order m. J. Differential Equations 266 (2019), 455–492. (SCI)
2.Yang, Junmin; Ding Wei; Limit cycles of a class of Lienard systems with restoring forces of seventh degree. Applied Mathematics and Computation 316(2018), 422-437. (SCI)
3.Yang, Junmin; Yu, Pei; Sun Xianbo; On the independent perturbation parameters and the number of limit cycles of a type of Lienard system. J. Math. Anal. Appl. 464(2018), 679-692. (SCI)
4.Li, Linlin; Yang Junmin; On the number of limit cycles for a quantic Lienard system under polynomial perturbations, J. Appl. Anal. Comput. 9:6(2019), 2464-2481. (SCI)
5.Han, Maoan; Yang Junmin; The dynamics of a kind of Lienard system with sixth degree and its limit cycle bifurcations under perturbations. Qual. Theory Dyn. Syst. 19 (2020), no. 1, Art. 26, 20 pp. (SCI)
6.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)
7.Yang, Junmin; Zhou, Lina; Limit cycle bifurcations in a kind of perturbed Liénard system. Nonlinear Dynam. 85 (2016), no. 3, 1695–1704. (SCI)
8.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)
9.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)
10.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)
11.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)
12.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)
13.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)
14.Yang, Junmin; Han, Maoan; Huang, Wenzhang; On Hopf bifurcations of piecewise planar Hamiltonian systems. J. Differential Equations 250 (2011), no. 2, 1026–1051. (SCI)
15.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)
16.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)
17.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.
18.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)
19.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)
20.Yang, Junmin; Han, Maoan; Limit cycles near a double homoclinic loop. Ann. Differential Equations 23(2007), no. 4, 536–545.
21.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)
22.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)
23.Han, Maoan; Yang, Junmin; Tarţa, Alexandrina-Alina; Gao, Yang; Limit cycles near homoclinic and heteroclinic loops. J. Dynam. Differential Equations 20 (2008), no. 4, 923–944. (SCI)
