@article{multifidelitydelayedacceptancehierarchic,
  title = {Multi-Fidelity Delayed Acceptance: hierarchical MCMC sampling for Bayesian inverse problems combining multiple solvers through deep neural networks},
  author = {Filippo Zacchei and Paolo Conti and Attilio Alberto Frangi and Andrea Manzoni},
  year = {2025},
  eprint = {2512.16430},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2512.16430},
}