Mathematical Sciences Research Institute, Berkeley, CA.

Erwin Schrodinger Institute, Vienna, Austria.

Max Planck Institute for Mathematics.

Institut de Recherche Mathématique Avancée, University of Strasbourg.

Math Department, Stillwater, OK; ArXiv overlay.

Institute for Mathematics and its Applications, Minneapolis, MN.

Centre d'Analyse et de Mathématique Sociales, EHESS, Paris, France.

Math Department, University of Texas, Austin, TX.

Math Department, Baton Rouge, LA.

Math Department, Florida State University, Tallahassee, FL.