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6 papers · 2 filters
Height and the total mass of the forest of genealogical trees of a large population with general competition
Vi Le, Etienne Pardoux
We consider branching processes with interaction in continuous time, both with values in the integers and in the reals (in the second case we restrict ourselves to continuous proce…
Metastability for the contact process on the configuration model with infinite mean degree
Van Hao Can, Bruno Schapira
We study the contact process on the configuration model with a power law degree distribution, when the exponent is smaller than or equal to two. We prove that the extinction time g…
A Wong-Zakai theorem for stochastic PDEs
Martin Hairer, Étienne Pardoux
We prove a version of the Wong-Zakai theorem for one-dimensional parabolic nonlinear stochastic PDEs driven by space-time white noise. As a corollary, we obtain a detailed local de…
A path-valued Markov process indexed by the ancestral mass
Etienne Pardoux, Anton Wakolbinger
A family of Feller branching diffusions , , with nonlinear drift and initial value can, with a suitable coupling over the {\em ancestral masses} , be viewed as…
Entropy along W_{1,+}-geodesics on graphs
Erwan Hillion
We study the convexity of the entropy functional along particular interpolating curves defined on the space of finitely supported probability measures on a graph.
Convergence of clock processes and aging in Metropolis dynamics of a truncated REM
Véronique Gayrard
We study the aging behavior of a truncated version of the Random Energy Model evolving under Metropolis dynamics. We prove that the natural time-time correlation function defined t…