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Abstract The aim of this paper is to discuss recent progress on the convergence problem in mean-field control theory and the study of associated nonlinear PDEs. We are interested in optimal control problems involving a large number of interacting …
11:15 to 12:30
Series
The seminar will continue with a reading of Ulpian's On the Duties of the Proconsul , a kind of guide that allows us to virtually see the Roman provincial governor in action, and to understand how his actions were bound by the bonds of law. The seminar …
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The lecture explores how Roman jurists, who were also writers, used metaphors to express and even forge their concepts, some of which are still ours today. Metaphors are a cognitive matrix, a way of thinking, not just speaking. Body, head, ears, hands, …
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Abstract This seminar will present a brand-new version of the Nice model, where the planets' resonant chain is constructed from simulations of planetary migration in a low-viscosity protoplanetary disk. In this scenario, Jupiter and Saturn are captured in …
17:45 to 18:45
Event
One-hour lecture , followed by the seminar. Abstract The new versions of the Nice model are based on the observation that the orbits of the giant planets should be in mutual resonance at the moment of gas dissipation, after the migration phase induced …
16:45 to 17:45
Epigenetics at the organism-environment interface
Edith Heard, chair Epigenetics and Cellular Memory
Epigenetics at the organism-environment interface
Edith Heard, chair Epigenetics and Cellular Memory
Lecture
Series
Le Rêve , Henri Rousseau, 1910, MoMA. The lecture will focus on epigenetic mechanisms at the interface between organisms and their environment. We will see how these mechanisms play a fundamental role in the adjustment of organisms to environmental …
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Abstract The media regularly report that the state of the atmosphere is getting worse, and that mankind is primarily responsible . Scientists now have access to an impressive array of observations (particularly by satellite). But for non-specialists, it's …
11:00 to 12:00
Event
Abstract Aerosols are particles - solids or liquids - suspended in the atmosphere. Natural aerosols include dust from desert areas, salt from ocean spray, volcanic ash and semi-burnt particles from fires. Human activities generate other types of …
10:00 to 11:00
Page
Presentation Our laboratory started operating at the Center for Interdisciplinary Research in Biology (CIRB) at Collège de France in Paris in 2024. Its major aim is to study gene regulation during mammalian embryological development by using the recent …
Event
10:00 to 12:00
Event
Abstract We briefly describe another probabilistic model, the random covering model of a hyperbolic surface, in order to be able to state the Magee-Naud-Puder and Magee-Hide theorems concerning the spectral hole of these surfaces. Finally, we turn to the …
10:00 to 12:00
Event
Introduction by Laurent Coulon followed by Sylvie Donnat (Univ. Lille, HALMA). Abstract Textual amulets on papyrus from Ramesside Egypt take the form of sheets on which drawings and continuous hieratic text were traced. Once inscribed, the leaflet was …
11:00 to 13:00