@InProceedings{attiya_et_al:LIPIcs.OPODIS.2020.18,
  author =	{Attiya, Hagit and Casta\~{n}eda, Armando and Rajsbaum, Sergio},
  title =	{{Locally Solvable Tasks and the Limitations of Valency Arguments}},
  booktitle =	{24th International Conference on Principles of Distributed Systems (OPODIS 2020)},
  pages =	{18:1--18:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-176-4},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{184},
  editor =	{Bramas, Quentin and Oshman, Rotem and Romano, Paolo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.OPODIS.2020.18},
  URN =		{urn:nbn:de:0030-drops-135037},
  doi =		{10.4230/LIPIcs.OPODIS.2020.18},
  annote =	{Keywords: Wait-freedom, Set agreement, Weak symmetry breaking, Impossibility proofs}
}