Upper bounds on Rubinstein distances on configuration spaces and applications

Laurent Decreusefond (LTCI), Ald\'eric Joulin (IMT), Nicolas Savy (IMT)
Arxiv ID: 0812.3221Last updated: 7/20/2021
In this paper, we provide upper bounds on several Rubinstein-type distances on the configuration space equipped with the Poisson measure. Our inequalities involve the two well-known gradients, in the sense of Malliavin calculus, which can be defined on this space. Actually, we show that depending on the distance between configurations which is considered, it is one gradient or the other which is the most effective. Some applications to distance estimates between Poisson and other more sophisticated processes are also provided, and an application of our results to tail and isoperimetric estimates completes this work.

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