@article{multifidelityflowmatchingcascadedrefinem,
  title = {Multi-Fidelity Flow Matching: Cascaded Refinement of PDE Solutions},
  author = {Sipeng Chen and Junliang Liu and Hewei Tang and Shibo Li},
  year = {2026},
  eprint = {2605.16118},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.16118},
}