Abstract
We consider an interacting particle system in \(\mathbb {R}^d\) modelled as a system of N stochastic differential equations. The limiting behaviour as the size N grows to infinity is achieved as a law of large numbers for the empirical density process associated with the interacting particle system.
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Notes
The proof is elementary, using the fact that if a set is compact in \(\mathbb {L}^{2}\big ( [0,T]\; ;\; \mathbb {W}_\mathrm{loc}^{\eta ,2} ( \mathcal {B} ( 0,n ) ) \big ) \) for every n then it is compact in \(\mathbb {L}^{2}\big ( [0,T]\; ;\; \mathbb {W}_\mathrm{loc}^{\varepsilon ,2}( \mathbb {R}^{d}) \big ) \) with this topology.
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Acknowledgements
C.O. is partially supported by CNPq through the Grant 460713/2014-0 and FAPESP by the Grants 2015/04723-2 and 2015/07278-0. This work benefited from the support of the Project EDNHS ANR-14-CE25-0011 of the French National Research Agency (ANR). The work of M.S. was also supported by the Labex CEMPI (ANR-11-LABX-0007-01).
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Simon, M., Olivera, C. Non-local Conservation Law from Stochastic Particle Systems. J Dyn Diff Equat 30, 1661–1682 (2018). https://doi.org/10.1007/s10884-017-9620-4
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DOI: https://doi.org/10.1007/s10884-017-9620-4
Keywords
- Stochastic differential equations
- Fractal conservation law
- Lévy process
- Particle systems
- Semi-group approach