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Abstract Combinatorial maps are discrete surfaces obtained as gluings of polygons. The first enumerative results about them were obtained by Tutte in the 1960's. During the 1980-90's, they were intensively studied in theoretical physics (under various …

Abstract In this talk, I will explain how Witten, at the beginning of the 1990's, computed the symplectic volume of the moduli space of flat connections on a principal bundle over a closed compact surface. Witten's main idea was to approximate the …

Abstract The film The Battle of Algiers (1966) was the result of a meeting between Italian director Gillo Pontecorvo and Yacef Saâdi, one of the military leaders of the Front de Libération Nationale. Played mainly by non-professionals, and sometimes by …

Abstract Random geometry involves calculating expectations and probabilities on random geometric objects, typically surfaces (hyperbolic surfaces, discrete surfaces, surfaces immersed in a target space, or carrying certain fields, etc.) Remarkably, the …

Résumé Le modèle de lecture humble et bienveillante proposé par Les Bergers d’Arcadie de Poussin semble avoir fait long feu. Beaucoup de lectures contemporaines se veulent revendicatives, sinon accusatrices. La raison en est une prise de conscience …

Sandrine Lyonnard : "From atom to cell: looking inside batteries with the Grands Instruments" Hervé Beuffe : "Valley of hope for the French Na_ion …

Abstract This final lecture will discuss the proof of a recent result in joint work with Zakharov, bounding the size of subsets of F_p^n not containing p distinct vectors summing to zero. As discussed in the previous lecture, this leads to bounds for the …

Documents and media Watch the video dubbed in French Watch the video dubbed in English Abstract What is a draft  ? What is a failure  ? What is a comeback  ? What is rewriting a thousand times  ? What is the stubbornness and will to surpass to which …

Résumé Comment, en 1314, le scandale des brus du roi devient-il l’affaire de la Tour de Nesle   ? En s’intéressant aux réécritures légendaires d’un épisode qu’on pourrait juger mineur, on cherche à interroger les rapports entre ce genre décrié qu’est la « …

Abstract How is the tragic link between intimacy and history articulated  ? When everything is in pieces and the image is lost, how can we rebuild  ? How can we rebuild from the notion of failure, writing, crossing out, rewriting, crossing out again? How …

Abstract In this talk I will present several random image models that are else explicit (such as Gaussian models or Boolean models for instance), or more "implicit" (such as images generated by a neural network). I will discuss how these models are used …

Abstract Some geometrical and topological features of the excursions of smooth random fields will be presented, such as their expected Lipschitz-Killing curvatures. The concerned random fields will be Gaussian or Gaussian based, but also shot-noise fields …

Abstract The talk will first introduce unimodular random graphs and give several examples from the theory of point processes, branching processes, random walks and self-similar discrete random sets. Several types of results on these graphs will then be …

Abstract We have no Templar archives in the kingdom of Mari : so it's in the texts from the palace that we find the elements that enable us to reconstruct the lives of the priests in charge of the sanctuaries. Two other categories of religious personnel …

Abstract In 1994, BRCA1, the emblematic breast cancer predisposition gene, was identified thanks to the contribution of families with multiple cases. Thirty   years later, with a dozen other genes identified and tens of thousands of tests carried out …

Abstract This lecture lays the historical and methodological foundations for answering a fundamental question  : how much of our biological diversity is attributable to genetics  ? Following a retrospective of Mendel's work on heredity, it will look at …

Abstract Detection of enhancers by epigenetic and chromatin structure approaches, multiome approach, mechanisms of enhancer function to initiate transcription of a target gene. In this third   lesson, the different approaches to epigenetic profiling are …