%0 Journal Article %A Sergio Albeverio %A Alexei Daletskii %A Alexander Kalyuzhnyi %T Random Witten Laplacians: traces of semigroups, $L^2$-Betti numbers and index %J Journal of the European Mathematical Society %D 2008 %P 571-599 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/123/ %R 10.4171/jems/123 %F JEMS_2008_10_3_a0