@article{valencearousalsubspaceinllmscircularemot,
  title = {Valence-Arousal Subspace in LLMs: Circular Emotion Geometry and Multi-Behavioral Control},
  author = {Lihao Sun and Lewen Yan and Xiaoya Lu and Andrew Lee and Jie Zhang and Jing Shao},
  year = {2026},
  eprint = {2604.03147},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.03147},
}