Topologi-cal data2023Topological data analysis of Chinese stocks’ dynamic correlations under major public eventsHongfeng Guo, Ziwei Ming, Bing XingFrontiers in PhysicsDOI
RiskanalysisofChina’s2022Risk analysis of China’s stock markets based on topological data structuresHongfeng Guo, Hang Yu, Qiguang An, Xin ZhangProcedia Computer ScienceDOI
Empiricalstudy2020Empirical study of financial crises based on topological data analysisHongfeng Guo, Shengxiang Xia, Qiguang An, Xin Zhang, Weihua Sun, Xinyao ZhaoPhysica A Statistical Mechanics and its ApplicationsDOI