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DESCRIPTION:Speaker: Stefan Grosskinsky Warwick \n\nTopic: Dynamics Seminar: Mean-field dynamics for aggregation in stochastic particle systems\n<p> The derivation of effective single-particle dynamics from interacting many-particle systems has a long history in the context of kinetic theory. While effective dynamics are often used as a starting point to study stochastic lattice gases in the theoretical physics literature, their rigorous derivation in this context has attracted attention only recently. We focus on the dynamics of cluster aggregation driven by monomer exchange, for which we derive effective rate equations in a mean-field scaling limit from an underlying particle system. We establish the propagation of chaos under generic growth conditions on particle jump rates, and the limit provides a non-linear master equation for the single-site dynamics of the particle system. In analogy to Becker-Doering equations, the solutions exhibit a non-trivial ergodic behaviour, which can also involve metastable states and coarsening in the case of condensing particle systems. This is joint work with Watthanan Jatuviriyapornchai and Andre Schlichting.</p>
DTSTART;TZID=GMT Standard Time:20181210T14:30:00
DTEND;TZID=GMT Standard Time:20181210T15:30:00
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DTSTAMP:20100109T093305Z
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SUMMARY;LANGUAGE=en-gb:Dynamics Seminar: Mean-field dynamics for aggregation in stochastic particle systems
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