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CV (updated Feb 2012)
Publications and preprints
Courses taught

I was born in Jingdezhen, China and graduated from Tsinghua University in Beijing, China. I got my Ph.D. in Mathematics at The Pennsylvania State University, working with Professor Yakov Pesin. I have worked with Professor Vadim Kaloshin as a postdoc in University of Maryland.

For a more detailed CV see this link.

My main research interest is dynamical systems, which is a vibrant and diverse field that evolves around certain central ideas. Currently, I am interested in the following list of topics, all connected to the central idea of variational methods in Hamiltonian systems:

1. Arnold diffusion (instability in Hamiltonian systems);
2. Weak KAM theory and viscosity solutions of Hamilton-Jacobi equations;
3. Normal form and averaging theory.

Here is a list of my publications and preprints.

I am currently teaching M232 (Multivariable Calculus) at UTM. I have taught College Algebra, Calculus I, III, Differential Equations and Linear Algebra at Penn State University. In Maryland I have taught Math 140, 140H (calculus I), 141H (Calulus II), 241H (Calculus III), 412 (Advanced Calculus with applications) and STAT 100 (Elementary Statistics and Probability.

Department of Mathematics at Universit of Toronto
Dynamics Seminar at UofT
American Mathematical Society
MathSciNet
Dynamics at Maryland
The Center for Dynamics and Geometry at Pennstate