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stat.ME2026
Statistical Analysis of Conditional Group Distributionally Robust Optimization with Cross-Entropy Loss
Zijian Guo, Zhenyu Wang, Yifan Hu +1
In multi-source learning with discrete labels, distributional heterogeneity across domains poses a central challenge to developing predictive models that transfer reliably to unsee…
stat.ME2026
Causal Invariance Learning via Efficient Nonconvex Optimization
Zhenyu Wang, Yifan Hu, Peter Bühlmann +1
Identifying the causal relationship among variables from observational data is an important yet challenging task. This work focuses on identifying the direct causes of an outcome a…