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Abstract In these last two lectures, we are interested in models of random (q+1)-regular graphs with N vertices. We study the spectral hole of the adjacency matrix, in the limit where N tends to infinity. We present a result due to Joel Friedman, and …

Abstract Mutual understanding during a conversation is an extremely fast and efficient process : we can process three words per second, often more. However, this observation is not consistent with laboratory experiments showing that processing a single …

Abstract Conversational agents, chatbots and large language models   : from Eliza to ChatGPT and ChatLLAMA. How have very large conversational models been trained ? What are their limits, ethical issues, uses and …

Abstract Animals behave flexibly, seamlessly generalizing knowledge between apparently different scenarios. This is the hallmark of intelligence. To do this, representations and computations in the brain must also be flexible and generalise. In this talk …

Children's Drawings and Geometric Universals: How to Explain Them? Abstract In addition to examining the transcultural diversity of geometric signs, across cultures as well as history, the analysis of children's drawings provides a third route to the …

Abstract Driven by the challenge of anthropogenic climate change, the reconstruction of the Holocene climate has provided historians and archaeologists with new insights into the human past. We are learning that the instability of the Earth system has …

Abstract Poor countries raise relatively few taxes, and this limits their ability to take action to help their populations. How are tax revenues distributed ? How can these countries increase their fiscal …

Abstract The second lecture looked at control structures on a larger scale than the commands (statements ) of the first lecture : the scale of mechanisms for breaking programs down into subroutines, procedures, functions and methods. These linguistic …

Awards ceremony for the 2023 season's data challenges , with presentation of results by the winners. Access the videos of the 2023 challenges Season 2023 challenge winners Learning radiological anatomy with few shots learning (by Raidium) 1. Jude …

Abstract If love is the founding novel of the West, it expresses its political haunts far more than the assurance of its moral edification. This is the case not only in Albert Cohen's Belle du seigneur , but also, thirty   years earlier, in Denis de …

Markov fields make it possible to build data models with many variables and a reduced number of parameters, by imposing that the variables have only local interactions. These are defined on a non-directional graph, such as an image grid. A Markov field …

Abstract In the 17th   century, "   Andromaque   " was used to describe a widow. This meaning, fixed in later texts and in the collective imagination, prevents us from seeing how an author like Racine was able to turn the figure of Andromaque, against the …

Documents and media Download support Abstract In classical antiquity, depictions of children reading are rare, as children were not considered as people in their own right. Indeed, children's reading did not always exist as we know it today. The history …