How to Contact:

• postal: Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China

• phones: +86-(0)10-62772860(O)

• e-mail: nsu(at)math.tsinghua.edu.cn

Current Interest:

• Nonlinear evolution equations and application to the fluid flows in defomable porous media

• Nonlinear p-Laplacian equations

• Finite time extinction of solutions of nonlinear parabolic equations

• Global existence versus finite time blow-up of solutions of nonlinear parabolic equations

• Uniqueness and non-uniqueness of solutions of reaction-convection equations with non-Lipschitz nonlinearities

Research Projects:

• 85-87: Applied Differential Equations, National Natural Science Foundation of China (NSFC)

• 88-90: Water-heat-salt Flows in Porous Media, NSFC

• 89-91: Gas-solid Two-phase Flows, NSFC

• 92-94: PDE in Multi-phase Filtration, NSFC

• 93-95: Nonlinear PDE & Applications, National Education Committee Found (NECF)

• 94-95: Homogeneity Principle in Mass Transportation, Tsinghua University Research Fund (TURF)

• 1995: Nonlinear PDE, NECF

• 96-97: Nonlinear PDE & Geometry, TURF

• 97-99: Anisotropic PDE & Quantitative Properties of Solutions, NSFC

 
• 99-00: Qualitative properties for nonlinear PDE, TURF

 
• 00-01: Superstring, superconductivity and nonlinear PDE, Key Teacher Support Project of the National Education Ministry

• 05-07: Nonlinear Evolution Equations: Theory, Methods and Application, NSFC


Academic Visiting:

• 02/06-03/06: Department of Mathematics, University of Pittsburgh

 
• 09/00-03/01: Visiting researcher, Texas Institute for Comutational and Applied Mathematics (TICAM), University of Texas (UT Austin)

 
• 04/97-05/97: Department of Mathematics, South China Normal University

 
• 10/91-10/92: Visiting scholar, Faculty of Mathematisc & Mechanics, Moscow University

 
• 1985 summer: Summer School of Math, University of California at San Diego (UCSD)


Conference Talks:

• Nonlinear evolution equation method and applications to fluid flow in poro-elastic media,

Houston FRG Workshop, March 1-5, 2006, Houston, USA.
 
• Extinction in finite time of solutions to degenerate parabolic equations with nonlinear boundary conditions,

International Conference on Applied Differential Equations, July 13-18, 1999, Shanghai, China.
 
• Instantaneous shrinking of supports of solutions to nonlinear reaction-convection equations,

International Conference on Nonlinear PDE and Applications, May 25-29, 1997, Chongqing, China.
 
• Recent progress in mathematical theory of filtration,

5th Symposium of Filtration Mechanics, Sept. 10-15, 1996, Qinhuangdao, China.
 
• Propagation properties of solutions for nonlinear conservation laws,

Chinese-US Conference on Recent Development in Differential Equationns and Applications, June 15-19, 1996, Hangzhou, China.
 
• Waiting time problem for a general nonlinear diffusion equation,

International Conference on Nonlinear Evolution PDE, June 19-24, 1993, Beijing, China.
 
• Multidimensional degenerate diffusion problem with evolutionary boundary condition,

Workshop on Flows in Porous Media, June 21-27, 1992, Oberwolfach, Germany.
 
• The filtration with transport of solute in porous media,

International Conference on Nonlinear Mechanics, October 28-31, 1985, Shanghai, China.
 
• An elliptic-parabolic system arising from filtration with transport of solute,

International Workshop on Applied Differential Equations, June 4-7, 1985, Beijing, China.
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