2 papers
stat.AP2026
Authentic Multinational Federated Time-to-Event Analyses Among People with HIV in Latin America
Kaixing Liu, Zhuohui J. Liang, Fabio Paredes +12
Multinational HIV cohort studies face regulatory barriers to cross-border sharing of individual participant data, limiting centralized pooled analyses. Federated statistical method…
math.ST2025
Main Effect Factor Models in High-Dimensional Matrix Time Series: Identification and Sparsity
Zetai Cen, Kaixin Liu, Clifford Lam
We propose a general identification framework for main effect factor models for matrix-valued time series. The classical sum-to-zero restriction on the row and column main effects…