Colloquium @ CEREMADE

Description

Our colloquium takes place on the first Tuesday of each month from 15:30 to 16:30, usually in room A709.


A renowned expert (being an excellent speaker as well) visits us for an afternoon and gives a panorama of one of her research areas. The talk is meant to be accessible to all members of the lab, including PhD students in analysis, game theory, probability and statistics. Ideally, it should start gently with an historical background on the problem and an overview of the main questions and applications, keeping a non technical style during at least the first half of the talk. Of course it is also nice to have a part with more mathematical details: the most appreciated colloquia were those in which the speaker succeeded to develop a nice technical idea or an elegant argument that everyone should know.


Food and drinks are served after the event, usually in Espace 7!


If you know good speakers whom you would love to hear, do not hesitate to suggest their names to the two organizers: Justin Salez and Cristina Toninelli.

Next talk

Date: Tuesday, October 7th 2025 (15:30-16:30, room A709)


Speaker: Agnès Desolneux (ENS Paris-Saclay)


Title: Mathematical Models for Texture Image Synthesis


Abstract: In this talk, I will present several mathematical models for the problem of texture image synthesis. This problem consists in generating new images from a single exemplar image. Two main classes of models will be considered. The first one is the “copy-and-paste” type, and can be formalized using Markov chains. The second one is of a statistical nature: it consists in computing a set of statistics on the exemplar image and then generating new images that have these statistics. I will focus in particular on this latter approach, emphasizing models based on constrained maximum entropy distributions.


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Past talks