@InProceedings{anand_et_al:LIPIcs.CONCUR.2023.39,
  author =	{Anand, Ashwani and Zetzsche, Georg},
  title =	{{Priority Downward Closures}},
  booktitle =	{34th International Conference on Concurrency Theory (CONCUR 2023)},
  pages =	{39:1--39:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-299-0},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{279},
  editor =	{P\'{e}rez, Guillermo A. and Raskin, Jean-Fran\c{c}ois},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2023.39},
  URN =		{urn:nbn:de:0030-drops-190339},
  doi =		{10.4230/LIPIcs.CONCUR.2023.39},
  annote =	{Keywords: downward closure, priority order, pushdown automata, non-deterministic finite automata, abstraction, computability}
}