About author:ZHANG Ping(1978-), female(Tujiazu), native of Lichuan, Hubei, a lecturer of China Three
Gorges University, M.S.D., engages in convex geometric analysis.
Supported by:
Supported by the National Natural Science Foundation of China(11371224); Supported by the Academic Mainstay Foundation of Hubei Pnvince(B2016030);