project

Collaborative Multi-Agent Bandits

specific topics tbd

Junghyun Lee

Deep Learning Theory - Optimization

specific topics tbd

Junghyun Lee

Disagreement-based Active Learning

Developed least disagree metric (LDM), a new disagreement-based uncertainty measure, and an LDM-based active learning algorithm with state-of-the-art performance guarantee.

Junghyun Lee

Fair Dimensionality Reduction

Part of fair representation learning. Develop a theory of fairness in dimensionality reduction: new definition, new (efficient) algorithm, new theoretical results. Currently focused on PCA.

Junghyun Lee

Sample Complexity of Learning in Structured Markov Chains and MDPs

Junghyun Lee

Theoretical Analyses of Reinforcement Learning with Human Feedback (RLHF) and Related Problems

Junghyun Lee