XV: 32, 493-498, LNM 850 (1981) STRICKER, Christophe Quasi-martingales et variations (Martingale theory) This paper contains remarks on quasimartingales, the most useful of which being perhaps the fact that, for a right-continuous process, the stochastic variation is the same with respect to the filtrations $({\cal F}_{t})$ and $({\cal F}_{t-})$ Keywords: Quasimartingales Nature: Original Retrieve article from Numdam