@InProceedings{francis_et_al:LIPIcs.ISAAC.2021.17,
  author =	{Francis, Mathew C. and Hell, Pavol and Jacob, Dalu},
  title =	{{On the Kernel and Related Problems in Interval Digraphs}},
  booktitle =	{32nd International Symposium on Algorithms and Computation (ISAAC 2021)},
  pages =	{17:1--17:17},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-214-3},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{212},
  editor =	{Ahn, Hee-Kap and Sadakane, Kunihiko},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ISAAC.2021.17},
  URN =		{urn:nbn:de:0030-drops-154505},
  doi =		{10.4230/LIPIcs.ISAAC.2021.17},
  annote =	{Keywords: Interval digraphs, kernel, absorbing set, dominating set, independent set, algorithms, approximation hardness}
}