@article{tracingpersonavectorsthroughllmpretraini,
  title = {Tracing Persona Vectors Through LLM Pretraining},
  author = {Viktor Moskvoretskii and Dominik Glandorf and Jorge Medina Moreira and Tanja Käser and Robert West},
  year = {2026},
  eprint = {2605.13329},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.13329},
}