@article{vlapriorguidedvisionlanguageactionmodels,
  title = {$Δ$VLA: Prior-Guided Vision-Language-Action Models via World Knowledge Variation},
  author = {Yijie Zhu and Jie He and Rui Shao and Kaishen Yuan and Tao Tan and Xiaochen Yuan and Zitong Yu},
  year = {2026},
  eprint = {2603.08361},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.08361},
}