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Abstract Comets are icy bodies that originate in the trans-Neptunian region and evolve into the inner Solar System, where they become active due to the sublimation of water ice triggered by solar heating. We describe dynamical models that trace the …

Masterclass with Thierry Escaich , organist and composer. Moderator: Chloë Cambreling Abstract Composer Thierry Escaich, co-titular of the organ at Notre-Dame de Paris, has been commissioned to compose the Te Deum to be premiered in June 2025. His works …

Abstract The depolymerization (i.e. progressive shortening) of large molecules can be modeled by discrete equations, such as Becker-Döring, or by continuous equations (Lifshitz-Slyozov). In many applications, the dynamic nature of the experiments, as well …

Abstract The first lecture deals with the " agrarian question ", in the sense of classical political economy. K. Marx interpreted enclosures in England as one of the foundations of primitive capital accumulation and, in his best-known writings, envisaged …

Abstract The second conference will address the relationship between agrarian transformation and the rise of capitalist enterprises associated with the first, second and third industrial revolutions. For most of their seven thousand year history, European …

Download support Abstract Quantum mechanics was the driving force behind the great technological revolutions of the second half of the XX th century, at the heart of the transistor, the laser and navigation systems, among others. However, these …

Documents and media Download support Abstract This talk provides an introduction to the applications of zero-knowledge proofs for online anonymity. After introducing the fundamental notions of cryptographic proofs and arguments, we show how these tools …

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Documents and media Download support Abstract Proof without knowledge disclosure, also known as " zero-knowledge " proof , is a protocol between a prover, who holds a secret satisfying a certain property, and a verifier. At the end of the exchange, the …

Résumé La troisième conférence présentera les évolutions contradictoires qui traversent les agricultures européennes depuis le début du XXI e  siècle. D'un côté, une petite fraction des producteurs agricoles est engagée dans l'étape suivante de la …

Résumé Ainsi, les trois premières conférences donneront à voir les bouleversements écologiques, économiques et sociaux des agricultures en Europe depuis le début du XIX e  siècle, en lien avec l'expansion de firmes capitalistes. Face à tous ces …

Henry Laurens Henry Laurens has a doctorate in history and is recognized as one of the leading specialists on the Middle East. Professor at the Collège de France (Chair of Contemporary History of the Arab World) and at Inalco, he was also Director of the …

Knowledge of ancient Egyptian essential. Abstract In the cosmological representations of the ancient Egyptians, the Osirian image par excellence appears in the final tableau of the Book of Gates. It depicts the god Osiris encircling the otherworldly …

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