On July 14 (Wednesday) 2021, at 2 p.m. (UTC+3), an online meeting will be held of the seminar of the Differential Equations and Mathematical Physics Department. Assoc. Prof. Tihomir Valchev will deliver an inaugural lecture on: "S-integrable nonlinear differential equations". Topic: Публична лекция на Тихомир Вълчев Time: Jul 14, 2021 14:00 Sofia Join Zoom Meeting https://us02web.zoom.us/j/88162384037?pwd=N1hUdkcwdTVPWG55Rk1kK2ZoVy9Pdz09 Meeting ID: 881 6238 4037 Passcode: 410351