@InProceedings{eppstein:LIPIcs.FUN.2018.20,
  author =	{Eppstein, David},
  title =	{{Faster Evaluation of Subtraction Games}},
  booktitle =	{9th International Conference on Fun with Algorithms (FUN 2018)},
  pages =	{20:1--20:12},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-067-5},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{100},
  editor =	{Ito, Hiro and Leonardi, Stefano and Pagli, Linda and Prencipe, Giuseppe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FUN.2018.20},
  URN =		{urn:nbn:de:0030-drops-88119},
  doi =		{10.4230/LIPIcs.FUN.2018.20},
  annote =	{Keywords: subtraction games, Sprague-Grundy theory, nim-values}
}