Lifeng Lai

Differentially Private Two-Stage Gradient Descent for Instrumental Variable Regression

Learn to change the world: Multi-level reinforcement learning with model-changing actions

Discrete Diffusion Models: Novel Analysis and New Sampler Guarantees

Absorb and Converge: Provable Convergence Guarantee for Absorbing Discrete Diffusion Models

Transformers Handle Endogeneity in In-Context Linear Regression

Provable In-context Learning for Mixture of Linear Regressions using Transformers