@article{signalfromstructureexploitingsubmodularu,
  title = {Signal from Structure: Exploiting Submodular Upper Bounds in Generative Flow Networks},
  author = {Alexandre Larouche and Audrey Durand},
  year = {2026},
  eprint = {2601.21061},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.21061},
}