Recognizing DAGs with page-number 2 is NP-complete

Michael A. Bekos, Giordano Da Lozzo, Fabrizio Frati, Martin Gronemann, Tamara Mchedlidze, Chrysanthi N. Raftopoulou. Recognizing DAGs with page-number 2 is NP-complete. Theoretical Computer Science, 946:113689, February 2023. [doi]

@article{BekosLFGMR23,
  title = {Recognizing DAGs with page-number 2 is NP-complete},
  author = {Michael A. Bekos and Giordano Da Lozzo and Fabrizio Frati and Martin Gronemann and Tamara Mchedlidze and Chrysanthi N. Raftopoulou},
  year = {2023},
  month = {February},
  doi = {10.1016/j.tcs.2023.113689},
  url = {https://doi.org/10.1016/j.tcs.2023.113689},
  researchr = {https://researchr.org/publication/BekosLFGMR23},
  cites = {0},
  citedby = {0},
  journal = {Theoretical Computer Science},
  volume = {946},
  pages = {113689},
}