@article{valuefunctionsassupermartingalecertifica, title = {Value Functions as Supermartingale Certificates}, author = {Alessandro Abate and Daniel Contro and Mirco Giacobbe and Agustín Martínez-Suñé and Diptarko Roy}, year = {2026}, eprint = {2605.31524}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.31524}, }