@article{evolutionarysystempromptlearningforreinf, title = {Evolutionary System Prompt Learning for Reinforcement Learning in LLMs}, author = {Lunjun Zhang and Ryan Chen and Bradly C. Stadie}, year = {2026}, eprint = {2602.14697}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.14697}, }