THE SYMPOSIUM ON DIFFERENTIAL MODELS IN GEOMETRY, COMPUTER SCIENCE AND HYDROTECHNICS – DiMoGeCH, 22-25 May 2019 – ianuarie 21, 2019septembrie 29, 2019 THE SYMPOSIUM ON DIFFERENTIAL MODELS IN GEOMETRY, COMPUTER SCIENCE AND HYDROTECHNICS – DiMoGeCH, 22-25 May 2019 –