@article{twinloopsimulationintheloopdigitaltwinsf,
  title = {TwinLoop: Simulation-in-the-Loop Digital Twins for Online Multi-Agent Reinforcement Learning},
  author = {Nan Zhang and Zishuo Wang and Shuyu Huang and Georgios Diamantopoulos and Nikos Tziritas and Panagiotis Oikonomou and Georgios Theodoropoulos},
  year = {2026},
  eprint = {2604.06610},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.06610},
}