Yung-fu Fang        (¤è ¥Ã ´I)

Associate Professor
Department of Mathematics
National Cheng Kung University
Tainan, 701 Taiwan

 

 
 
 
 
 
 
 

E-mail: yffang@mail.ncku.edu.tw

Office: MATH 210

Office phone: (06) 275-7575  ext  65131

Curriculum vitae: cv.ps

Research interests:

Teaching:

Spring  2008

Courses:  (Undergraduate) Advanced Calculus II,     Mon 09:10 -- 11:00,   Thu 15:10  -- 17:00,   Syllabus ,     Grade

           (Graduate) Partial Differential Equations II,    Mon 13:10 -- 15:00,   Thu 13:10 -- 14:00,      Syllabus,  Grade
 
 

Office Hours:  Mon, Thu   12:10 - 13:00, and plus appointments


Invited Talks:

2005/10/17 National Taiwan University
"Global Existence of Rough Solutions of the Cubic Defocusing Schr\"odinger Equation in R^{2+1}"

Papers available online :

1. ¡§On the Existence of Positive Solutions of a Semilinear Elliptic Equation in R^n¡¨, Chinese J. Math. 18 (1990), 353-364. (joint work with C.C. Chang)(SCI, 0.286)
2. ¡§Remarks on the Existence of Positive Solutions of Semilinear Elliptic Equations in R^n¡¨, Chinese J. Math. 20 (1992), 69-77. (joint work with C.C. Chang)(SCI, 0.286)
3.¡¨ Existence and Uniqueness for Boussinesq Type Equations on a Circle¡¨,(joint work with M. Grillakis) Comm. PDE 21(1996) 1253-1277.
4. ¡§A priori Estimates for the Wave Equations in 2+1 dimensions", 1996 (joint work with M. Grillakis ) Comm. PDE 21 (1996) 1643-1665.
5. "A Direct Proof of Global Existence for the Dirac-Klein-Gordon Equations in One Space Dimension", Taiwanese J. Math. Vol.8 (2004) 33-41.

6. "On the Dirac-Klein-Gordon Equations in One Space Dimension", Differential and Integral Equations Vol. 17 (2004) 1321-1346.

7. "Low Regularity Solutions for Dirac-Klein-Gordon Equations in One Space Dimension", Electronic J. Diff. Equations Vol 2004 (2004) No.102, 1-19.

8. "Existence and Polynomial Growth of Periodic Solutions for KdV-Type Equations", Hokkaido Math. J. 34 (2005)  629-654

9. "On a System of Dirac-Klein-Gordon Type in 1+1 Dimensions", Taiwanese J. Math. 9 (2005)489-499 (joint work with T.S. Chen)

10. "Local Existence for Semilinear Wave Equations and Applications to Yang-Mills Equations", J. Hyperbolic Differential Equations, Vol. 2 (2005) 61-76.

11. "On the Dirac-Klein-Gordon Equations in Three Space Dimensions",  Comm. PDE 30 (2005) 783-812 (joint work with Grillakis).