XIII: 42, 488-489, LNM 721 (1979) MEYER, Paul-André Construction de semimartingales s'annulant sur un ensemble donné (General theory of processes) The title states exactly the subject of this short report, whose conclusion is: in the Brownian filtration, every closed optional set is the set of zeros of a continuous semimartingale Keywords: Semimartingales Nature: Original Retrieve article from Numdam