@article{learningchordalextensions,
  title = {Learning chordal extensions},
  author = {Defeng Liu and Andrea Lodi and Mathieu Tanneau},
  year = {2019},
  eprint = {1910.07600},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.07600v1},
}