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cs.LG2025
DualOptim: Enhancing Efficacy and Stability in Machine Unlearning with Dual Optimizers
Xuyang Zhong, Haochen Luo, Chen Liu
Existing machine unlearning (MU) approaches exhibit significant sensitivity to hyperparameters, requiring meticulous tuning that limits practical deployment. In this work, we first…
cs.LG2025
Fast Adversarial Training against Sparse Attacks Requires Loss Smoothing
Xuyang Zhong, Yixiao Huang, Chen Liu
This paper studies fast adversarial training against sparse adversarial perturbations bounded by norm. We demonstrate the challenges of employing -step attacks on bo…