M A T H E M A T I C S S E M I N A R S 2018 Thursday 12 April, at 14.30 hrs. Don B. Zagier (MPI, Bonn/ICTP) Title: Two problems related to the Riemann Hypothesis Abstract: They are quite different, and both quite amazing. VENUE: Stasi Seminar Room (ICTP Leonardo da Vinci Building, first floor)