The infinite valley for a recurrent random walk in random environment. With N. Gantert and Y. Peres.
(abstract and download from ArXiv)

Asymptotics for the survival probability in a killed branching random walk. With N. Gantert and Y. Hu.
(abstract and download from ArXiv)

Random Walks and Trees
(Lecture notes, Guanajuato, México, November 3-7, 2008.)

Almost sure convergence for stochastically biased random walks on trees. With G. Faraud and Y. Hu.
(abstract and download from ArXiv)

Weak convergence for the minimal position in a branching random walk: a simple proof. With E. Aïdékon.
(abstract and download from ArXiv)

Martingale ratio convergence in the branching random walk. With E. Aïdékon.
(abstract and download from ArXiv)

The branching Brownian motion seen from its tip. With E. Aïdékon, J. Berestycki and E. Brunet.
(abstract and download from ArXiv)