@InProceedings{dudek_et_al:LIPIcs.ISAAC.2020.23,
  author =	{Dudek, Bart{\l}omiej and Gawrychowski, Pawe{\l}},
  title =	{{Counting 4-Patterns in Permutations Is Equivalent to Counting 4-Cycles in Graphs}},
  booktitle =	{31st International Symposium on Algorithms and Computation (ISAAC 2020)},
  pages =	{23:1--23:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-173-3},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{181},
  editor =	{Cao, Yixin and Cheng, Siu-Wing and Li, Minming},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ISAAC.2020.23},
  URN =		{urn:nbn:de:0030-drops-133678},
  doi =		{10.4230/LIPIcs.ISAAC.2020.23},
  annote =	{Keywords: Permutations, pattern avoidance, counting cycles}
}