@InProceedings{bacquey_et_al:LIPIcs.ICALP.2017.99,
  author =	{Bacquey, Nicolas and Grandjean, Etienne and Olive, Fr\'{e}d\'{e}ric},
  title =	{{Definability by Horn Formulas and Linear Time on Cellular Automata}},
  booktitle =	{44th International Colloquium on Automata, Languages, and Programming (ICALP 2017)},
  pages =	{99:1--99:14},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-041-5},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{80},
  editor =	{Chatzigiannakis, Ioannis and Indyk, Piotr and Kuhn, Fabian and Muscholl, Anca},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2017.99},
  URN =		{urn:nbn:de:0030-drops-74174},
  doi =		{10.4230/LIPIcs.ICALP.2017.99},
  annote =	{Keywords: picture languages, linear time, cellular automata of any dimension, local induction, descriptive complexity, second-order logic, horn formulas, logic}
}