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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 …

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 …

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 …

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 …

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 …

Abstract Some further downstream tasks : named entity recognition ; syntactic analysis ; sentence classification : classical approaches, sentence embeddings  ; text …

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 …

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 : …

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 …

Abstract In 11th-century Andalusia   , and in the face of the collapse of the empire, Ibn Hazm thinks at the same time about political division and dissension in love. For love is a fitna, and a "secret   " lies in the words that say it, or fail to say …

Abstract Challenges are proposed by public services, companies or scientific laboratories, and are based on real-life problems. Participants submit the results of their classification or prediction algorithms, which are then put into competition via the …

The year was marked by the impressive performance of large-scale language models and generative artificial intelligence. These involve large-scale neural networks, which are having a considerable impact in science, industry and services, as well as in …

Abstract Based on the notion of potential space developed by psychoanalyst Winnicot, and in the wake of his reflections on culture as sophisticated play practices,   Hélène Merlin-Kajman proposes to consider reading as a transitional space, where the …