Notes, Comments and Preliminary results Sep 30 2022 Xiaojie Xu and Yun Zhang   Forecasting the total market value of a shares traded in the Shenzhen stock exchange via the neural network   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Sep 07 2019 Xiaojie Xu   Contemporaneous Causal Orderings of CSI300 and Futures Prices through Directed Acyclic Graphs   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Dec 13 2015 Xiaojie Xu   Cointegration among regional corn cash prices   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result