The laboratory LIX
The abbreviation LIX stands for Laboratoire d’Informatique de l’Ecole polytechnique (Computer Science Laboratory of the École polytechnique), where the letter X represents the Polytechnique per French tradition. LIX is a mixed research unit (UMR 7161) consisting of two tutelles: the École polytechnique and the National Center for Scientific Research (CNRS). LIX falls under the jurisdiction of the INS2I division (which stands for the National Institute of Sciences of Information and their Interactions) of CNRS.
LIX director is Gilles Schaeffer.