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stat.ML2025
Sparse Offline Reinforcement Learning with Corruption Robustness
Nam Phuong Tran, Andi Nika, Goran Radanovic +2
We investigate robustness to strong data corruption in offline sparse reinforcement learning (RL). In our setting, an adversary may arbitrarily perturb a fraction of the collected…
cs.LG2025
Policy Teaching via Data Poisoning in Learning from Human Preferences
Andi Nika, Jonathan Nöther, Debmalya Mandal +3
We study data poisoning attacks in learning from human preferences. More specifically, we consider the problem of teaching/enforcing a target policy by synthesizing pre…