%0 Journal Article %T A remarkable $¦Ò$-finite measure associated with last passage times and penalisation problems %A Joseph Najnudel %A Ashkan Nikeghbali %J Mathematics %D 2009 %I arXiv %X In this paper, we give a global view of the results we have obtained in relation with a remarkable class of submartingales, called $(\Sigma)$, and its links with a universal sigma-finite measure and penalization problems on the space of continuous and cadlag paths. %U http://arxiv.org/abs/0912.1693v1