The postdoc fellow will work in Hua Loo-Keng Center for Mathematics Sciences (HCMS) of AMSS, CAS. HCMS is supported by the project of National Natural Science Foundation of China, “Geometry, analysis, and computation on manifolds”. HCMS has 45 faculty members, including 5 Fellows of Chinese Academy of Sciences and 18 recipients of the National Science Fund for Distinguished Young Scholars from NSFC. The main purpose of HCMS is to carry out research of highest level on some of the main directions of Mathematical Science through cooperation and exchange. HCMS runs regular academic programs throughout the whole year.