Scientific Computing, Numerical Analysis, Optimization：Theory and Algorithms, Computational Conformal Geometry

1985 – 1986, Postdoctoral of Department of Applied Mathematics, University of Bielefeld

1986 – 1991, Associate Professor of Institute of Applied Mathematics, National Tsing Hua University

1991 – 1996, Professor of Institute of Applied Mathematics, National Tsing Hua University

1996 – 2008, Professor of Department of Mathematics, National Tsing Hua University

1999 – 2014, Associate Editor of Taiwanese Journal of Mathematics (TJM)

2000 – 2009, Editor on the Advisory Editorial Board of Numerical Linear Algebra with Applications (NLAA)

2004 – 2006, Editor in Chief of Taiwanese Journal of Mathematics (TJM)

2005 – 2006, Professor of Natural Science of National Tsing Hua University

2006 – 2008, Chair Professor of Mathematics, National Tsing Hua University

2008 – 2010, Chair Professor of Department of Applied Mathematics, National Chiao Tung University

2010 – 2012, Distinguished Professor of Department of Mathematics, National Taiwan University

2010 – 2012, Scientist of Center of Mathematical Modeling and Scientific Computing of National Chiao Tung University

2012 – Present, Chair Professor of Department of Applied Mathematics, National Chiao Tung University

2013 – Present, Associate Editor, Electronic Transactions on Numerical Analysis (ETNA)

2013 – 2015, Scientist of National Center of Theoretical Science

2014 – Present, Associate Editor, Communications in Information and Systems (CIS)

2014 – Present, Associate Editor, Tamkang Journal of Mathematics (TKJM)

2015 – Present, Associate Editor, SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS (SIMAX)

2015 – 2018, Executive Officer of the ST Yau Center, National Chiao Tung University

2016 – Present, Editors-in-Chief of Annals of Mathematical Sciences and Applications (AMSA)