About author:WANG Yan-ping(1968-), female, native of Zhoukou, Henan, an associate professor of Zhengzhou
Inistitue of Aeronautical Industry Management, Ph.D., engages in PDE.
Supported by:
Supported by the National Natural Science Foundation of China(10671182); Supported by the Excellent Youth Teachers Foundation of High College of Henan Province(2006110016);