Revisiting Subgradient Dominance in Robust MDPs: Counterexamples, Hardness, and Sufficient Conditions
Toshinori Kitamura,
Arnob Ghosh,
Alex Ayoub,
Thang D Chu,
Csaba Szepesvári
January 2026
Publication
arXiv preprint arXiv:2604.21177
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