@article{whendoextendedphysicsinformedneural,
  title = {When Do Extended Physics-Informed Neural Networks (XPINNs) Improve Generalization?},
  author = {Zheyuan Hu and Ameya D. Jagtap and George Em Karniadakis and Kenji Kawaguchi},
  year = {2021},
  eprint = {2109.09444},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.09444v7},
}