X iv :m at hph /0 60 50 29 v1 9 M ay 2 00 6 AN OPTIMAL WEGNER ESTIMATE AND ITS APPLICATION TO THE GLOBAL CONTINUITY OF THE INTEGRATED DENSITY OF STATES FOR RANDOM SCHRÖDINGER OPERATORS Jean-Michel Combes 1 Département de Mathématiques Université de Sud, Toulon-Var 83130 La Garde, FRANCE Peter D. Hislop 2 Department of Mathematics University of Kentucky Lexington, KY 40506–0027 USA Frédéric Klop...