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Proceedings/Recueil Des Communications Année : 2022

Mean Field Limit for the Kac model and Grand Canonical Formalism

Résumé

We consider the classical Kac's model for the approximation of the Boltzmann equation, and study the correlation error measuring the defect of propagation of chaos in the mean field limit. This contribution is inspired by a recent paper of the same authors where a large class of models, including quantum systems, are considered. Here we outline the main ideas in the context of grand canonical measures, for which both the evolution equations and the proof simplify.
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Dates et versions

hal-03903596 , version 1 (16-12-2022)
hal-03903596 , version 2 (21-12-2023)

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Thierry Paul, Mario Pulvirenti, Sergio Simonella. Mean Field Limit for the Kac model and Grand Canonical Formalism. Conference PSPDEs X,, 2022. ⟨hal-03903596v2⟩
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