PLEASE NOTE following seminar has been cancelled and will be rescheduled. == CONDENSED MATTER SECTION SEMINAR on Disorder and strong electron correlations Thursday, 27 March - 11:00 a.m. Seminar Room, Main Bldg.- first floor N. SURENDRAN ( The Abdus Salam I.C.T.P. ) "Topological phase transition in an exactly solvable model"