Roger R.-C. Chen  (³¯­Y²E) Rank Professor Tel +886-6-2757575 Ext. 65157 Fax +886-6-2743191 Office Math Building 405 Email rchen@mail.ncku.edu.tw Hoempage none Field Differential Geometry, Geometric Analysis Education Ph.D., University of Utah (1987) M.S., University of Illinois at Chicago (1983) B.S., National Cheng Chih Univesity (1982) Experience 1999-  Professor, National Cheng Kung University 1996-1999  Associate Professor, National Cheng Kung University 1990-1996  Lecturer/Senior Lecturer, National University of Singapore 1989-1990  Visiting Assistant Professor, University of Southern California 1987-1989  Visiting Assitant Professor, University of Toledo Selected Publications Roger Chen, and Jiaping Wang, Polynomial growth solutions to linear systems, (2004) (submitted) Chen, R. (2001) "A remark on Hanack inequality for non-self-adjoint evolution equation", Proc. Amer. Math. Soc. 129, 2163--2173. Chen, R. and Sung, C.-J. (2000) "On Stekloff eigenvalue problems", Pacific J. Math. 194, Chen, R. (1999) "On heat kernel comparison theorems",. J. Functional Analysis, 165, 59-79. Chen, R. (1998) "On global Schrodinger kernel estimate and eigenvalue problem", Math.Zeitschrift, 227, 69-81. Chen, R.(1997) "Gap estimates of Schrodinger operator", Pacific Journal of Mathematics, 178, 225-240. Chen, R. and Li, P. (1997) "On Poincare type inequalities", Transactions of American Mathematical Society, 349, 1561-1585. Chen, R. and Xu, X. (1996) "Compactness of isospectral conformal metrics and isospectral potentials on a 4-manifold", Duke Math. J., 84, 131-154. Chen, Roger (1990) "Neumann eigenvalue estimate on a compact Riemannian manifold", Proc. Amer. Math. Soc. 108, no. 4, 961--970. Chen, R. (1989) "Eigenvalue estimate on a compact Riemannian manifold", Amer. J. Math. 111, no. 5, 769--781.