EDUCATION Ph.D, Mathematics, The Ohio State University, Columbus, Ohio, 1991 MS, Mathematics, The Ohio State University, Columbus, Ohio, 1988 BS, Mathematics, Nankai University, Tianjin, P. R. China, 1982 PROFESSIONAL EMPLOYMENT 2008-Present, Professor, Department of Mathematics, University of South Carolina 2013-2019, College of Arts and Sciences Distinguished Professor, Department of Mathematics, University of South Carolina 2003-2009, Professor, Department of Mathematics, Florida State University 2001-2003, Associate Professor, Department of Mathematics, Florida State University 1991-2001, Assistant Professor, Associate Professor, Department of Mathematical Sciences, Indiana University-Purdue University Indianapolis 1/1990-4/1990, Research Associate, CNLS, Los Alamos National Lab