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Pré-Publication, Document De Travail Année : 2022

Central Limit Theorems for global and local empirical measures of diffusions on Erd\H{o}s-R\'enyi graphs

Résumé

We address the issue of the Central Limit Theorem for (both local and global) empirical measures of diffusions interacting on a possibly diluted Erd\H{o}s-R\'enyi graph. Special attention is given to the influence of initial condition (not necessarily i.i.d.) on the nature of the limiting fluctuations. We prove in particular that the fluctuations remain the same as in the mean-field framework when the initial condition is chosen independently from the graph. We give an example of non-universal fluctuations for carefully chosen initial data that depends on the graph. A crucial tool for the proof is the use of extensions of Grothendieck inequality.

Dates et versions

hal-03895998 , version 1 (13-12-2022)

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Fabio Coppini, Eric Luçon, Christophe Poquet. Central Limit Theorems for global and local empirical measures of diffusions on Erd\H{o}s-R\'enyi graphs. 2022. ⟨hal-03895998⟩
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