Selection for PhD students' positions at the University of Cagliari - Cycle XXXVIII: admission test timetable. Update of 2nd September 2022: Rector's Decree for the appointment of Selection Committees. Update of 7th September 2022: new dates for the interview of the PhD programme in Philosophy, Epstemology, Human Science. Update of 11th September 2022: update on dates and times of the interviews of the PhD programme in Physics (other updates are available in teh Italian version of this notice)