About author: XU Guang-hong(1976—), male, native of Wuhan, Hubei, a lecturer of Nanchang Hangkong University, M.S.D., engages in topology on lattices and domain theory; RAO San-ping(1980-), male, native of Jiujiang, Jiangxi, M.S.D., engages in domain theory.
Supported by:
Supported by the National Natural Science Foundation of China(10861007)