@article{kolmogorovnwidthsformultitaskphysics,
  title = {Kolmogorov n-Widths for Multitask Physics-Informed Machine Learning (PIML) Methods: Towards Robust Metrics},
  author = {Michael Penwarden and Houman Owhadi and Robert M. Kirby},
  year = {2024},
  eprint = {2402.11126},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2402.11126v2},
}