@article{incumbentadvantagebrandbiasandcognitivem,
  title = {Incumbent Advantage: Brand Bias and Cognitive Manipulation Dynamics in LLM Recommendation Systems},
  author = {Xi Chu and Yupeng Hou},
  year = {2026},
  eprint = {2606.17443},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.17443},
}