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X-WR-CALNAME:cmc.deusto.eus
X-WR-CALDESC:DeustoCCM - Chair of Computational Mathematics at University of Deusto
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UID:MEC-b8af787cd4a611c6360b4dc71928ebe2@cmc.deusto.eus
DTSTART:20201202T093000Z
DTEND:20201202T103000Z
DTSTAMP:20251031T223700Z
CREATED:20251031
LAST-MODIFIED:20251031
PRIORITY:5
TRANSP:OPAQUE
SUMMARY:Statistical inverse problems and gradient flow structures in the space of probability measures
DESCRIPTION:Speaker: Prof. Dr. Sebastian Reich\nAffiliation: Universität Potsdam (Germany)\nOrganized by: FAU DCN-AvH, Chair for Dynamics, Control and Numerics – Alexander von Humboldt Professorship at FAU Erlangen-Nürnberg (Germany)\nZoom link\nMeeting ID: 923 1605 7419 | PIN code: 000474\nAbstract. Statistical inverse problems lead to complex optimisation and/or Monte Carlo\nsampling problems. Gradient descent and Langevin samplers are typically examples of widely used algorithms. In my talk, I will present recent results on optimisation and sampling algorithms, which can be viewed as interacting particle systems, and their mean-field limits.\nI will highlight the geometric structure of these mean-field equations within the, so called, Otto\ncalculus, that is, a gradient flow structure in the space of probability measures. An important outcome\nof recent work on the subject are affine invariant formulations, a property shared with Newton’s\nmethod, but not with gradient descent and ordinary Langevin samplers.\nJoint work with Luc Hillairet (Orléans) and Emmanuel Trélat (Paris).\n \n\nJoin this event at LinkedIn\n\n \n
URL:https://cmc.deusto.eus/events-calendar/statistical-inverse-problems-and-gradient-flow-structures-in-the-space-of-probability-measures/
CATEGORIES:FAU CAA Seminar,FAU DCN-AvH Seminar,Seminar/Talk
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