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In the Frege-inspired " descriptivist " conception, in order to be able to refer to an object, the subject must possess an identifying description of that object, or a globally identifying set of information (a mental file). However, it seems that we can …

I'll present the hydrodynamic theory of "Malthusian Flocks": moving aggregates of self-propelled entities (e.g., organisms, cytoskeletal actin, microtubules in mitotic spindles) that reproduce and die. Long-ranged order is possible in these systems, even …

The Fertile Crescent This geographical area (water-rich, fertile territories stretching from Mesopotamia to Egypt, including the area around the Euphrates and Tigris rivers, as well as the Levant) is the meeting place of the different cultures that gave …

Abstract We have seen that, in Hesiod, men of the golden species received, after their death, a royal geras by becoming "  daimones on the earth ", while men of silver received a timē as " blessed mortals under the earth ". After a brief semantic study of …

Sultan Mûsâ of Mâli is depicted on the Catalan Atlas (1375) : examine his royal insignia. What is the significance of the golden ball he holds in his hand and presents to the world ? Text and translation of the legend into Catalan. Investigation of the …

Abstract The Bibliothèque de la Pléiade, one of the most prestigious collections in French publishing, was launched in 1931 by Jacques Schiffrin, with a volume devoted to Charles Baudelaire. To date, it counts 227 authors and 750 titles, and plays an …

Abstract If we take up the thread of reflection on libraries, the question is this : how do we give presence to the library ? How can we materialize the forces that move it, how can we make visible the textual spaces that the library houses ? For the …

Abstract This seminar presents the signal processing procedures that appear in the cochlea and in the first auditory areas of the cortical system. This system takes a one-dimensional sound wave as input and transforms it at various levels into …

Abstract The wavelet transform is extended in two dimensions to images by defining several wavelets that are rotated, expanded and translated. The wavelet coefficients are calculated using convolutions. This representation is again shown to be stable and …

Only the first lecture was able to take place, due to health restrictions linked to the pandemic. The word equity has always been a way of expressing the desire for justice. But how can we agree on its content, if the desire for justice arises precisely …

Private libraries (2) The Aurelia Ptolemaïs family library This library is thought to have been built up in the 3rd century , before being discarded in the 4th century . Following an investigation based on two documents, it was possible to reconstruct …

Our examination of the ends of literature led us first to reflect on the cessation of activity : when and how does one stop ? The swan song is a metaphor for the end of an individual's career, but also for the end of an entire art form, the end of art : …

Abstract Rather than adopting the recluse's gaze or surrendering to Arsenio Frugoni's fictional temptation, the aim here is to suggest that normative literature can document, by contrast or negative imprint, this narrative logic of the experience of …

Due to a technical problem, the beginning of the lecture was not recorded. Documents and media Download support …

Abstract Philippe Marcq's theoretical work aims to understand mechanical stresses in tissue. Marcq and his collaborators have developed an approach to deduce local stresses in cell monolayers using a Bayesian interference method. In his seminar, P. Marcq …

Abstract The vertex model is a mesoscopic model in that it considers the properties of individual cells. To describe the macroscopic properties of the tissue, the cell properties must be locally averaged to define the cell deformation rate or local …