Notes, Comments and Preliminary results Mar 12 2009 Christian Klamler and Daniel Eckert   A simple ultrafilter proof for an impossibility theorem in judgment aggregation   Abstract  Contact Information  Citation  Full Text  -  Note   Jan 12 2008 Christian Klamler and Daniel Eckert   Antipodality in committee selection   Abstract  Contact Information  Citation  Full Text  -  Note   Apr 21 2004 Daniel Eckert   Proximity Preservation in an Anonymous Framework   Abstract  Contact Information  Citation  Full Text  -  Note   Research announcements Conference announcements