Journal Publications

1. Du Chen, Geoffrey A. Chua*. An Algorithmic Approach to Managing Supply Chain Data Security: The Differentially Private Newsvendor. Operations Research 74.2 (2026): 958-983.

Conference Publications

1. Du Chen*, Geoffrey A. Chua. Exploiting Hidden Symmetry to Improve Objective Perturbation for DP Linear Learners with a Nonsmooth L1-Norm, The Thirteenth International Conference on Learning Representations. 2025. (ICLR 2025)
2. Du Chen*, Geoffrey A. Chua. Noisy Dual Mirror Descent: A Near Optimal Algorithm for Jointly-DP Convex Resource Allocation, Advances in Neural Information Processing Systems 37 (2024): 91723-91755. (NeurIPS 2024)
3. Du Chen*, Geoffrey A. Chua. Differentially Private Stochastic Convex Optimization under a Quantile Loss Function, In International Conference on Machine Learning, pp. 4435-4461. PMLR, 2023 (ICML 2023)

Service 

• Reviewer for ICLR (2025, 2026), NeurIPS (2025, 2026)

Awards

• Best Paper Award at the 2025 Singapore Rising Scholars Conference