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    <id>3111</id>
    <completedYear>2025</completedYear>
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    <language>eng</language>
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    <title language="eng">On the mean-field limit for the Vlasov-Poisson system in two dimensions</title>
    <abstract language="eng">We present a probabilistic proof of the mean-field limit and propagation of chaos of a classical N-particle system in two dimensions with Coulomb interaction force of the form $f^N(q)=\pm\frac{q}{|q|^2}$ and $N$-dependent cut-off at $|q|&gt;N^{-2}$.&#13;
In particular, for typical initial data, we show convergence of the Newtonian trajectories to the characteristics of the Vlasov-Poisson system. The proof is based on a Gronwall estimate for the maximal distance between the exact microscopic dynamics and the approximate mean-field dynamics. Thus our result leads to a derivation of the Vlasov-Poisson equation from the microscopic $N$-particle dynamics with force term arbitrary close to the physically relevant Coulomb force.</abstract>
    <identifier type="doi">10.48550/arXiv.2509.17821</identifier>
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    <author>Manuela Feistl-Held</author>
    <author>Peter Pickl</author>
    <collection role="institutes" number="">Fakultät für Angewandte Natur- und Geisteswissenschaften</collection>
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