This is a minicourse on the subject of the title in three seminars. The different lectures will cover the following aspects: Lect. 1: Quantum deformations of relativistic phase space: an overview (note unusual day: monday, 30th Nov , 15:30) Lect. 2: Quantum deformations of relativistic symmetries, (Wed. Dec. 2nd, 15:30) Lect. 3: From deformed symmetries to deformed field theory (Wed. Dec. 9th, 15:30)