@article{somstructuredopponentmodelingforllmbased, title = {SOM: Structured Opponent Modeling for LLM-based Agents via Structural Causal Model}, author = {Shiyue Cao and Pei Xu and Likun Yang and Lei Cui and Xiaotang Chen and Kaiqi Huang}, year = {2026}, eprint = {2605.07301}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.07301}, }