| Department of Mathematics |
| University of Utah |
| Salt Lake City, UT 84112 |
| (801) 585-7664(O) |
| (801) 363-5023(H) |
| xie@math.utah.edu |
| http://www.math.utah.edu/~xie/ |
| Prof. Hans G. Othmer | Prof. James P. Keener |
| Department of Mathematics | Department of Mathematics |
| University of Utah | University of Utah |
| Salt Lake City, UT 84112 | Salt Lake City, UT 84112 |
| othmer@math.utah.edu | keener@math.utah.edu |
| Prof. Paul C. Fife | Prof. Peter C. Trombi |
| Department of Mathematics | Department of Mathematics |
| University of Utah | University of Utah |
| Salt Lake City, UT 84112 | Salt Lake City, UT 84112 |
| fife@math.utah.edu | trombi@math.utah.edu |