Transition density asymptotics for some diffusion processes with multi-fractal structures.
Parabolic Harnack inequality and local limit theorem for percolation clusters.
Positivity of Brownian transition densities.
Correction : « is not a semimartingale»
is not a semimartingale
On brownian local time
Which values of the volume growth and escape time exponent are possible for a graph?
On convergence of semimartingales
On countable dense random sets
Sur la construction d'une martingale continue de valeur absolue donnée
On pathwise uniqueness and expansion of filtrations
Levels at which every brownian excursion is exceptional
Strong existence, uniqueness and non-uniqueness in an equation involving local time
On some sample path properties of Skorohod integral processes
The construction of brownian motion on the Sierpinski carpet
Une extension multidimensionnelle de la loi de l'arc sinus
On Walsh's brownian motions
Wiener-Hopf factorization for matrices
Coalescence of skew brownian motions
Collisions of random walks
A recurrent graph has the infinite collision property if two independent random walks on , started at the same point, collide infinitely often a.s. We give a simple criterion in terms of Green functions for a graph to have this property, and use it to prove that a critical Galton–Watson tree with finite variance conditioned to survive, the incipient infinite cluster in with and the uniform spanning tree in all have the infinite collision property. For power-law combs and spherically symmetric...
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