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Event
Abstract What if we built the headquarters of the UN at the center of the earth, equidistant from all states, to make it the very place of the universal ? This seemingly absurd proposal comes not from a science-fiction novel, but from Voltaire's 1761 …
14:30 to 15:30
Event
Abstract Stars with masses greater than 8 solar masses have a very short life on the main sequence, and then burn helium, followed by carbon, oxygen, etc., until they have a core of iron and silicon. Fusion continues in shells, until the core implodes and …
16:45 to 17:45
Series
Aristocratic couple dedicating a Fire altar (the man holds a charter of donation). Kuh-e Khwâjah, Southeast Iran, 4th-5th c., copy by Ernst Herzfeld, …
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Cosmic web. …
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Cosmic web. The lecture introduces the mathematical tools for modeling high-dimensional data, in connection with statistical physics and information theory. Statistical physics shows that macroscopic laws result from the statistics of microscopic particle …
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Professor Charpin will exceptionally have to postpone his lectures until the next academic year 2023-2024. All lectures are cancelled for this year . The program of the symposium " Les archives paléo-babyloniennes : cent-quarante ans de publication et …
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Detail from the " Peinture des Ambassadeurs ", Samarkand, circa 660. Conference organized by Pr Frantz Grenet, History and Cultures of Pre-Islamic Central Asia Chair (Collège de France) and Rocco Rante (Louvre). January 16 will be held at the Louvre, …
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Abstract Flowering plants appeared on the planet over 100 million years ago, and have enjoyed remarkable evolutionary success : they now represent the majority of the living mass on the planet, are at the base of most terrestrial food chains, including …
14:30 to 15:30
Event
Abstract Ruelle resonances are characteristics of a dynamical system that describe the fine asymptotics of large-time correlations. It is now well known that this notion is well defined for uniformly hyperbolic smooth systems on compact varieties. In this …
15:30 to 16:30
Event
Abstract Recently, Dang and Rivière proved a remarkable identity, which expresses the 0-value of the Poincaré series of any surface of negative curvature as a function of the Euler characteristic. Thus, a Dirichlet series defined from the lengths of …
14:00 to 15:15
Event
Abstract Text generation can target different types of languages and take different types of knowledge as input. In this presentation, I will show how neural language models can be adapted to generate text from semantic representation graphs, knowledge …
11:00 to 12:00
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Abstract Some further downstream tasks : named entity recognition ; syntactic analysis ; sentence classification : classical approaches, sentence embeddings ; text …
10:00 to 11:00
Event
Abstract Consider a control problem consisting in finding a trajectory connecting an initial point x to a target point y , with the system moving only in certain admissible directions. It is assumed that the corresponding vector fields satisfy the …
11:15 to 12:30
Event
09:00 to 11:00
Emmanuelle Porcher
Plant-pollinator interactions, a showcase for the biodiversity crisis
Emmanuelle Porcher
Plant-pollinator interactions, a showcase for the biodiversity crisis
Opening lecture
Event
Abstract Biodiversity is known as the diversity of the different levels of organization of living organisms (genetic diversity, species diversity, ecosystem diversity), but it is also characterized by the diversity of interactions between living beings : …
18:00 to 19:00
Event
Abstract Before Facebook, there was the social network formed by members of the same community or village. How does information circulate in the social network? How do village members help each other ? Or sometimes constrain each …
14:00 to 16:00
Series
Lecture by Aude Bernheim, winner of the Collège de France Prize for Young Researchers 2022 All living organisms, from bacteria to elephants, face viruses. While the study of bacterial viruses is just over 100 years old, understanding of the mechanisms by …
