Research

Statistics for AI

Steer-to-Detect: Probing Hidden Representations for Detection of LLM-Generated Texts

Luxu Liang and X. Li

NeurIPS 2026 arXiv Code

Optimization & MCMC

Enhancing Gradient-based Discrete Sampling via Parallel Tempering

Luxu Liang, Y. Jia, and F. Zhou

Preprint · 2025 arXiv Code

Non-asymptotic Convergence Analysis of the Stochastic Gradient Hamiltonian Monte Carlo Algorithm with Discontinuous Stochastic Gradient with Applications to Training of ReLU Neural Networks

Luxu Liang, A. Neufeld, and Y. Zhang

Revise & Resubmit · IMA Journal of Numerical Analysis arXiv Code