A robust and efficient estimation method for single index models. - Jicai Liu; Riquan Zhang; Weihua Zhao; Yazhao Lv (J. Multivar. Anal., 2013)

Regularization and model selection for quantile varying coefficient model with categorical effect modifiers. - Weihua Zhao; Riquan Zhang; Jicai Liu (Comput. Stat. Data Anal., 2014)

Variable selection in semiparametric hazard regression for multivariate survival data. - Jicai Liu; Riquan Zhang; Weihua Zhao; Yazhao Lv (J. Multivar. Anal., 2015)

Study of risk allocation in ppp projects based on altruistic theory. - Yinglin Wang; Jicai Liu; Bon-Gang Hwang (LISS, 2016)

Estimation for single-index models via martingale difference divergence. - Jicai Liu; Peirong Xu; Heng Lian (Comput. Stat. Data Anal., 2019)

Projection quantile correlation and its use in high-dimensional grouped variable screening. - Jicai Liu; Yuefeng Si; Yong Niu; Riquan Zhang (Comput. Stat. Data Anal., 2022)

A novel Z-number based Real Option (ZRO) model under uncertainty: Application in Public-Private-Partnership refinancing value evaluation. - Jingfeng Yuan; Wenfei Lu; Hongxing Ding; Jicai Liu; Amin Mahmoudi (Expert Syst. Appl., 2023)

K-CDFs: A Nonparametric Clustering Algorithm via Cumulative Distribution Function. - Jicai Liu; Jinhong Li; Riquan Zhang (J. Comput. Graph. Stat., 2023)

Factors affecting the resilience of subway operations under emergencies - using improved DEMATEL model. - Zehui Bu; Jicai Liu; Xiaoxue Zhang (Kybernetes, 2024)

Collaborative government-public efforts in driving green technology innovation for environmental governance in PPP projects: a study based on prospect theory. - Zehui Bu; Jicai Liu; Xiaoxue Zhang (Kybernetes, 2025)

Sparse estimation and inference for prediction-powered semi-supervised linear regression. - Zihao Song; Jicai Liu; Lei Wang; Heng Lian; Weihua Zhao (Stat. Comput., 2025)

Robust high-dimensional trace regression with regularized correntropy-induced loss. - Zihao Song; Jicai Liu; Riquan Zhang; Weihua Zhao (J. Comput. Appl. Math., 2026)