Mail address：

Department of Applied Mathematics Shou-Feng, Hualien, Taiwan974R. O. C. National Dong-Hwa University

Office address：

Department of Applied Mathematics A330 Science and Endineering Building, Dong Hwa University, Hualien 974, Taiwan

Email：

math@mail.ndhu.edu.tw

FAX：

+886-3-863-3510

Chia-Jui Chih Administration Assistant

cjchih@mail.ndhu.edu.tw

+866-3-863-3512

Ya-Rong Chung Administration Assistant

ya@mail.ndhu.edu.tw

+866-3-863-3513

Yun-Siou Liao

Assistant

ysliao@mail.ndhu.edu.tw

+886-3-863-3514

Nian-Chi Lee

u9711008@ems.ndhu.edu.tw