Education：

1989.9- 1992.7: Ph.D., Department of Mathmatics, Peking University. Specialty:
Complex dynamics and Teichm¨uller theory. Advisor: Li Zhong.
1986.9- 1989.7: M.S., Department of Mathematics, Peking University. Specialty: Quasiconformal maps. Advisor: Li Zhong.
1982.9- 1986.7: B.S., Department of Mathematics, Peking University   

Academic positions：
Post-doctor fellow, Institute of Mathematics, Chinese Academy of Sciences, P. R.
China (1992.7-1994.7).
Assistant professor, Institute of Mathematics, Chinese Academy of Sciences, P. R.
China (1994.7-1995.7).
Associate professor, Institute of Mathematics, Chinese Academy of Sciences, P. R.
China (1995.8-1997.12).
Associate professor, Academy of Mathematics and Systems Science, Chinese Academy
of Sciences, P. R. China (1998.1-2002.1).
Professor, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, P. R. China (2002.1). 

Visiting research positions
Einstein Chair of Sciences, Graduate Center of City University of New York (1995.8-
1996.1).
Department of Mathematics, Chinese University of Hong Kong (2000.10-2000.12, 2002.1-
2002.3).
Department de Mathematique, Universit´e de cergy-Pontoise, France (2003.9-11, 2007.2,
2008.3, 2009.6).
Department de Mathematique, Universit´e de Angers, France (2010.5, 2011.9, 2014.7).

Selected lectures
Conference of Complex Analysis of China (Huaqiao University 2014) (Rational maps
with constant Thurston maps).
Conference of Computational Methods and Function Theory 2013 (Shantou University 2013)(Douady-Earle extension and its application).
ICCM 2013 (The sixth International Congress of Chinese Mathematicians, Taibei) (Dynamics of rational maps).
Conference of Complex Analysis of China (Hunan University 2012) (Shishikura trees associated with disconnected Julia sets).
CODY Fourth Year Conference: Conformal Methods in Analysis and Dynamics. Seillac (France, May 2-8, 2010) (Renormalization and wandering Jordan curves of rational
maps).
Trimester on Dynamical Systems (IHP 2003.9-11)
Complex analysis Conference (Kyoto University, 2002. 8)
Japan-Korea Joint Workshop in Mathematics (Yamaguchi University 2001)
China-Korea Joint Seminar of Mathematics (Dynamical Systems and Their Application 1998.8)
Academic service
Associate Editor, Science in China Mathematics
Preprints
(with L. Tan) Hyperbolic-parabolic deformations of rational maps. http://arxiv.org/abs
/1501.01385
(with W. Peng and L. Tan) Renormalizations and wandering Jordan curves of rational
maps. http://arxiv.org/abs/1403.5024
(with Y. Gao) Wandering continua for rational maps.

Publications

[1] On the dynamics of analytic endomorphisms of the circle, Proc. of the International
Conference on Complex Analysis at Nankai Institute of Mathematics, 1992, 41-44.
[2] A note on Mori’s theorem of K-quasiconformal mappings, Acta Math. Sinica, vol. 9,
no. 1 (1993), 55-62.
[3] On the linear representations of circle expanding maps, Acta Math. Sinica, vol. 10,
no. 2 (1994), 202-208.
[4] On the smoothness of conjugacy for circle covering maps, Acta Math. Sinica, vol. 12,
no. 2 (1996), 122-125.

Papers:

Hyperbolic-parabolic deformations of rational maps
Renormalizations and wandering Jordan curves of rational maps
Wandering continua for rational maps

Exposition:

On Douady-Earle extension and its application
Dynamics of rational maps
Multicurves and Shishikura trees associated with disconnected Julia sets
Rational maps with constant Thurston map