张端智
教授博士生导师Email：zhangdz@nankai.edu.cn
办公电话：
传真：
个人网站：http://my.nankai.edu.cn/sms/zdz/list.htm
研究方向：
非线性分析与辛几何、哈密顿系统
社会兼职：

发表文章及著作：[1] Chungen Liu and Duanzhi Zhang, Seifert conjecture in the even convex case.Comm. Pure Appl. Math.67（2014) 1563-1604.
[2] Duanzhi Zhang, Minimal period problems for brake orbits of nonlinear autonomous reversible semipositive Hamiltonian systems. Discrete Contin. Dyn. Syst. (to appear)
[3]Chungen Liuand Duanzhi Zhang, Iteration theory of L-index and multiplicity of brake orbits. J. Differential Equations257 (2014), no. 4, 1194–1245.
[4] Duanzhi Zhangand Chungen Liu, Multiple brake orbits on compact convex symmetric reversible hypersurfaces in R2n. Ann. Inst. H. Poincaré Anal. Non Linéaire31 (2014), no. 3, 531–554.
[5] Yijing Sun and Duanzhi, Zhang,The role of the power 3 for elliptic equations with negative exponents. Calc. Var. Partial Differential Equations49 (2014), no. 3-4, 909–922.
[6] DuanzhiZhang, Symmetric period solutions with prescribed minimal period for even autonomous semipositive Hamiltonian systems.Sci. China Math.57(2014),no. 1,81–96.
[7] Duanzhi Zhangand Chungen Liu, Multiplicity of brake orbits on compact convex symmetric reversible hypersurfaces in R2n for n≥ 4. Proc. London Math. Soc.（3）107（2013）1-38.
[8] Duanzhi Zhang, $P$ -cyclic symmetric closed characteristics on compact convex $P$ -cyclic symmetric hypersurface in $\bold R^{2n}$ . Discrete Contin. Dyn. Syst.33 (2013), no. 2, 947–964.
[9]Duanzhi Zhang, Brake type closed characteristics on reversible compact convex hypersurfaces in $\bold R^{2n}$R2n. Nonlinear Anal.74 (2011), no. 10, 3149–3158.
[10] Duanzhi Zhangand Chungen Liu, Brake orbits in bounded convex symmetric domains. Progress in variational methods, 71–89, Nankai Ser. Pure Appl. Math. Theoret. Phys.,7, World Sci. Publ., Hackensack, NJ, 2011。
[11] Duanzhi Zhang, Relative Morse index and multiple brake orbits of asymptotically linear Hamiltonian systems in the presence of symmetries. J. Differential Equations245 (2008), no. 4,925–938.
[12] Duanzhi Zhang, Maslov-type index and brake orbits in nonlinear Hamiltonian systems. Sci. China Ser. A50 (2007), no. 6,761–772.
[13] Duanzhi Zhang, Multiple symmetric brake orbits in bounded convex symmetric domains. Adv. Nonlinear Stud.6 (2006), no. 4,643–652.
[14] Yiming Long, Duanzhi Zhangand Chaofeng Zhu, Multiple brake orbits in bounded convex symmetric domains. Adv. Math.203 (2006), no. 2,568–635.
[15] Duanzhi Zhang, Multiple brake orbits on convex hypersurfaces under asymmetric pinch conditions. Nonlinear Anal.61 (2005), no. 6,919–929.