=== Sponsors and Institutions ===

The list below is very very preliminary. Please edit!

 * National Science Foundation, USA, grant OCI-1147247, 2012-2015, ''Collaborative Research: SI2-SSE: Sage-combinat: Developing and Sharing Open Source Software for Algebraic Combinatorics''

 * National Science Foundation, USA (funded in part by DMS-0652641, DMS-0652652, DMS-0652668, DMS-0652648 through the provisions of NSF 06-580, Focused Research Groups in the Mathematical Sciences (FRG), and is administered through the American Institute of Mathematics, Drexel University, UC Davis, and Virginia Tech); 2006-2011

 * American Institute of Mathematics, USA

 * Department of Mathematics, University of California at Davis, USA

 * Laboratoire de Mathématiques d'Orsay, Université Paris Sud, FRANCE

 * Laboratoire d'informatique Gaspard-Monge (UMR 8049 IGM-LabInfo), Université Paris Est Marne-La-Vallée, FRANCE

 * Laboratoire d'Informatique, de Traitement de l'Information
  et des Systèmes (EA 4108), Université de Rouen, France

 * MSRI

 * Agence Nationale pour la Recherche, FRANCE
   Partially supported by grant ANR-BLAN-06-0380.

 * CNRS, FRANCE

 * Sage Days 20: Universités Aix-Marseille I, II, III, CIRM, FRUMAM,
   LIF, Conseil Général des Bouches-du-Rhône, Ville de Marseille,
   Programme Accès, Formation permanente du CNRS