About author:LIU Ling(1976-), female, native of Jinzhai, Anhui, an associate professor of Beijing Information Science and Technology University, Ph.D., engages in Poisson geometry.
Supported by:
Supported by the Scientific Research Common Program of Beijing Municipal Commission of Education(SQKM201211232017)； Supported by the Beijing Excellent Training Grant(2012D005007000005)； Supported by the Funding Program for Academic Human Resources Development in Institutions of Higher Learning Under the Jurisdiction of Beijing Municipality(11530500015)
