March 13th (Thursday), 16:15                   LÁSZLÓ LEMPERT (Purdue University):  X-ray transform

April 3rd (Thursday), 16:15               MIKLÓS SIMONOVITS  (Rényi Institute): Random Graphs

April 10th (Thursday), 16:15                      LAJOS RÓNYAI  (BUTE):  Primes are in P

April 24th (Thursday), 16:15             JERRY L. KAZDAN  (Univ. of Pennsylvania and CEU):  Using symmetry