Location: Shenzhen, China.
Born in 1964, Yantai of Shandong province.
Graduated from Lanzhou University in 1985, major is computer science.
I work in the field of system design and optimization and algorithm analysis.
I am interested in graph theory, group theory and combinatorics. In addition to mathematics I am fond of hiking.
Email me by kware_ji at 163 dot com.