DZ~/duo-zhou

PROJECTS / RESEARCH PROGRAMS

Selected Projects

Research programs that connect individual papers, systems, and theoretical questions into longer technical agendas for trustworthy AI.

P01Active research

2026 - Present

ProContract

An evidence-governed kernel for long-running and self-improving agents.

ProContract separates an agent's adaptive policy from a small trusted kernel that controls obligations, evidence, and canonical state transitions.

Agentic AIRSIAI SafetySystems
Open project file
P02Active research

2024 - Present

Scalable Neural Network Verification

Optimization and search methods that turn formal guarantees into practical verification systems.

A research program on stronger relaxations, tighter domain reduction, and more informed branching for complete neural network verification.

Formal MethodsNeural NetworksOptimizationBranch and Bound
Open project file
P03EMNLP 2026 Main

2025 - 2026

Geometric Language Model Unlearning

Separate targeted forgetting from capability preservation through optimization geometry.

A geometric approach to language model unlearning that controls interference between forgetting objectives and retained behavior.

Machine UnlearningLanguage ModelsOptimization GeometryTrustworthy AI
Open project file
P04ICLR 2026

2023 - 2026

Distributionally Robust Decision Making

Control and reinforcement learning that hold up when the model was fit from limited data.

Applying distributionally robust optimization to stochastic control and offline reinforcement learning, in the cases where the robust problem stays tractable enough to solve.

Distributionally Robust OptimizationReinforcement LearningStochastic ControlOptimization
Open project file
P05AAAI 2026 Oral

2025 - 2026

ShortageSim

Simulating how a regulatory alert moves a supply chain when nobody sees the whole picture.

An LLM-agent simulation of drug shortage dynamics under information asymmetry, calibrated against a dataset of 2,925 historical FDA shortage events.

LLM AgentsSimulationPolicy DesignSupply Chains
Open project file