Classes

Spring semster  08 : Math 132 sec 3

Fall semester 07: Math 132  sec 33

Professional Experience

• Michigan State University, August 2007 - present
• Visiting Research Instructor
• Mentor: Professor Gang Bao

• Carnegie Mellon University, September   2005 -- August 2007
• Visiting scholar supported by Korean Research Foundation
• Mentor: Professor David Kinderlehrer

• Korea Air Force Academy, Chungju, Korea (Mandatary Military Service)
• Full-Time Instructor (First Lieutenant),  March 2003 - February 2005
• Instructor (Second Lieutenant),  March 2002 - February 2003

Research Interests

My principal interests lie in applied PDE stimulated by practical applications.

Note: the figure of Inverse Problem is from Wiki, and the figure of Evolution is from  Eikongraphia

Publications

1.  On the stability of an inverse problem for the wave equation,  PDF

Inverse Problems, accepted.

(with G. Bao)

2. Optimal bound on high stresses occurring between stiff fibers with arbitrary shaped cross sections, PDF

 J. Math. Anal. Appl. 350, pp. 306--312  (2009)

3. Estimates for electric fields blown up between closely adjacent conductors with arbitrary shape,  PDF

SIAM J. Appl. Math., 67, no 3, pp. 714--730 (2007)

 

• Mandatary Military Service :  Oct,  2001 - Feb, 2005

 

4.  Boundary determination of conductivities and Riemannian metrics via local Dirichlet-to-Neumann operator,  PDF

SIAM J. Math. Anal. 34, no. 3, pp. 719--735 (2002)

(with H. Kang)

5. The reflection of solutions of Helmholtz equation and an application, PDF

 Comm. Korean Math. Soc. 16, no. 3, pp. 427--436 (2001)

6.  Recovery of an inhomogeneity in an elliptic equation, PDF

Inverse Problems 17, no. 1, 25--44 (2001)

(with H. Kang and K. Kwon)  

Preprint and Works in Progress

1. Blow-up of electric fields between closely spaced spherical perfect conductors, PDF

submitted

(with M. Lim )

2. Strong influence of a small fiber on shear stress in fiber-reinforced composites,  PDF

preprint

(with M. Lim )

3.  An approach to local evolution of cellular networks in higher dimension

in preparation

(with D. Kinderlehrer)

 Selected Talks

1.  On stability for an inverse hyperbolic problem,

2008 CNA Summer School, at Carnegie Mellon University, Pittsburgh USA, May 29 - June 7, 2008

(Contributed)

 2. High stresses in fiber-reinforced composites,

International Conference on Partial Differential Equations and Applications, at Beijing Normal University, Beijing, China, May 28 -31, 2007

(Invited)  

 3. Second Japan-Korea Joint Seminar on Inverse Problems and Related Topics, at Seoul National University, Seoul, 2001

 Hobbies

 Chen style TaiChi, cooking, drawing and monitoring the South Korean government