From the 1 of 668 papers with an AI index.
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13 papers · 2 filters
Local limits of conditioned Galton-Watson trees II: the condensation case
Romain Abraham, Jean-Francois Delmas
We provide a complete picture of the local convergence of critical or subcritical Galton-Watson tree conditioned on having a large number of individuals with out-degree in a given…
On the long time behavior of stochastic vortices systems
Joaquin Fontbona, Benjamin Jourdain
In this paper, we are interested in the long-time behaviour of stochastic systems of n interacting vortices: the position in R2 of each vortex evolves according to a Brownian motio…
A remark on the optimal transport between two probability measures sharing the same copula
Aurélien Alfonsi, Benjamin Jourdain
We are interested in the Wasserstein distance between two probability measures on sharing the same copula . The image of the probability measure by the vectors of ps…
The small noise limit of order-based diffusion processes
Benjamin Jourdain, Julien Reygner
We introduce order-based diffusion processes as the solutions to multidimensional stochastic differential equations, with drift coefficient depending only on the ordering of the co…
Reducing the debt : is it optimal to outsource an investment?
Gilles Edouard Espinosa, Caroline Hillairet, Benjamin Jourdain +1
We deal with the problem of outsourcing the debt for a big investment, according two situations: either the firm outsources both the investment (and the associated debt) and the ex…
-coalescents and stable Galton-Watson trees
Romain Abraham, Jean-Francois Delmas
Representation of coalescent process using pruning of trees has been used by Goldschmidt and Martin for the Bolthausen-Sznitman coalescent and by Abraham and Delmas for the $β(3/2,…