JournalsmagNo. 115Newsletter of the European Mathematical SocietyNo. 115 (2020)Download complete issue PDFThis article is published open access.OApp. 3–5Report from the Executive Committee Meeting in Yerevan, Armenia, 11–13th October 2019Richard H. Elwespp. 5–6Mathematics Subject Classification 2020Edward DunneKlaus Hulekpp. 7–11Renormalisation of Stochastic Partial Differential EquationsYvain BrunedMartin HairerLorenzo Zambottipp. 12–16A Brief Introduction to Approximate GroupsMatthew C.H. Tointonpp. 17–20A Discussion with Freeman DysonMichael T. Rassiaspp. 21–24An Interview with David RuelleHans Henrik Rughpp. 25–30Hagen Neidhardt (1950–2019) – His Work and LegacyJussi BehrndtPavel ExnerTakashi IchinoseMark M. MalamudValentin A. Zagrebnovpp. 31–37The Mathematics of BitcoinCyril GrunspanRicardo Pérez-Marcop. 38ICMI ColumnJean-Luc Dorierp. 39ERME ColumnJason Cooperpp. 45–52Solved and Unsolved ProblemsMichael T. Rassias
pp. 3–5Report from the Executive Committee Meeting in Yerevan, Armenia, 11–13th October 2019Richard H. Elwes
pp. 7–11Renormalisation of Stochastic Partial Differential EquationsYvain BrunedMartin HairerLorenzo Zambotti
pp. 25–30Hagen Neidhardt (1950–2019) – His Work and LegacyJussi BehrndtPavel ExnerTakashi IchinoseMark M. MalamudValentin A. Zagrebnov
