1 citations · 1 across the 3 of their papers we have counts for
3 papers
q-fin.ST2022★ 1 cited
Stability of China's Stock Market: Measure and Forecast by Ricci Curvature on Network
Xinyu Wang, Liang Zhao, Ning Zhang +2
The systemic stability of a stock market is one of the core issues in the financial field. The market can be regarded as a complex network whose nodes are stocks connected by edges…
stat.AP2017
Analysis on Cohort Effects in view of Differential Geometry and its Applications
Ning Zhang, Liang Zhao
This paper analyzes birth cohort effects and develops an approach which is based on differential geometry to identify and measure cohort effects in mortality data sets. The measure…
stat.AP2015
Mortality cohort effect detection and measurement based on differential geometry
Ning Zhang, Liang Zhao
This paper analyzes mortality cohort effect of birth year and develops an approach to identify and measure cohort effects in mortality data set. The approach is based on differenti…