2 papers
cs.LG2025
On the Hardness of Sampling from Mixture Distributions via Langevin Dynamics
Xiwei Cheng, Kexin Fu, Farzan Farnia
The Langevin Dynamics (LD), which aims to sample from a probability distribution using its score function, has been widely used for analyzing and developing score-based generative…
cs.LG2025
Stability and Generalization in Free Adversarial Training
Xiwei Cheng, Kexin Fu, Farzan Farnia
While adversarial training methods have significantly improved the robustness of deep neural networks against norm-bounded adversarial perturbations, the generalization gap between…