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math.ST2025
Nonparametric Bandits with Single-Index Rewards: Optimality and Adaptivity
Wanteng Ma, T. Tony Cai
Contextual bandits are a central framework for sequential decision-making, with applications ranging from recommendation systems to clinical trials. While nonparametric methods can…
stat.ME2025
Statistical Inference for Matching Decisions via Matrix Completion under Dependent Missingness
Congyuan Duan, Wanteng Ma, Dong Xia +1
This paper studies decision-making and statistical inference for two-sided matching markets via matrix completion. In contrast to the independent sampling assumed in classical matr…
stat.ME2025
Conformal Network Link Prediction with False Discovery Rate Control under Unstructured Missingness
Wenqin Du, Wanteng Ma, Dong Xia +2
We propose a new method for predicting multiple missing links in partially observed networks while controlling the false discovery rate (FDR), a largely unresolved challenge in net…