Luis Rademacher Santosh Vempala Dispersion of Mass and the Complexity of Randomized Geometric Algorithms. 2006 13 Electronic Colloquium on Computational Complexity (ECCC) http://eccc.hpi-web.de/eccc-reports/2006/TR06-102/index.html 102 db/journals/eccc/eccc13.html#RademacherV06