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Latest Past Events
Françoise Pène (Université de Bretagne Occidentale, France)
Seminar is over: see YouTube recordingSpeaker: Françoise Pène (Université de Bretagne Occidentale, France) Title: Invariance by induction of the asymptotic variance Abstract: It is well known that the integral of an observable is preserved by induction. We are interested here in extensions of this result to moments of order 2 and 3. We have two natural candidates for the second and third … Continue reading Françoise Pène (Université de Bretagne Occidentale, France)
Marta Maggioni (Universiteit Leiden, Netherlands)
Seminar is over: see YouTube recordingSpeaker: Marta Maggioni (Universiteit Leiden, Netherlands) Title: Matching for random systems with an application to minimal weight expansions Abstract: We consider families of skew-product maps, representing systems evolving in discrete time in which, at each time step, one of a number of transformations is chosen according to an i.i.d process and applied. We extend the notion … Continue reading Marta Maggioni (Universiteit Leiden, Netherlands)
Andreas Knauf (Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany)
Seminar is over: see YouTube recordingSpeaker: Andreas Knauf (Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany) Title: Asymptotic velocity for scattering particles Abstract: Partly with Jacques Fejoz, Richard Montgomery, Stefan Fleischer and Manuel Quaschner. The past and future of scattering particle systems is partly determined by their asymptotic velocity, that is, the Cesàro limit of the velocity. That this exists for bounded interactions and all initial conditions, is … Continue reading Andreas Knauf (Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany)