Yung-fu Fang        (方 永 富)

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

 

 
 
 
 
 
 
 
 
 

E-mail: fang@math.ncku.edu.tw

Office: MATH 210

Office phone: (06) 275-7575  ext  65131

Curriculum vitae: cv.ps

Research interests:

Teaching:

Fall  2009

Courses:  (Undergraduate) Differential Equation, introduction,     Tue 08:10 -- 09:00,   Thu 10:10  -- 12:00,   Syllabus ,     Grade

                 (Graduate) Fourier Analysis I, Tue 15:10 -- 17:00,   Thu 09:10 -- 10:00  Syllabus,  Grade

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

Spring 2010

Courses:  (Undergraduate) Linear Algebra,  Mon 09:10~11:00,  Wed 09:10~10:00,   Syllabus ,     Grade

                 (Undergraduate) Dynamical System,  Tue 15:10~17:00,  Fri 15:10~16:00,     Syllabus ,     Grade

                 (Graduate) Fourier Analysis II,     Syllabus ,     Grade

Office Hours:  Tue, Wed, Fri   12:10 - 13:00, and plus appointments


Invited Talks:
 

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. 8 (2004) 33-41.
6. "On the Dirac-Klein-Gordon Equations in One Space Dimension", Differential and Integral Equations  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,  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).

12. "On the Global Existence of Rough Solutions of the Cubic Defocusing Schr\"odinge Equation in R^{2+1}",  J. Hyperbolic Differential Equations, 4 (2006) 233-257.

      (Joint work with Grillakis)
13. "On the Dirac-Klein-Gordon Equations in 1+1 Dimensions", (joint work with Shiu-Chuan Hwang) Taiwanese J. Math. 12 (2008)