Actuariat et Risque Contemporains Time : 10H Date : 4th  December 2025 Room 3001   LHAUT Stéphane (CREST) "Wasserstein–Aitchison GAN for angular measures of multivariate extremes" Abstract: Economically responsible mitigation of multivariate extreme risks—extreme rainfall in a large area, huge variations of many stock prices, widespread breakdowns in transportation systems—requires estimates of the probabilities that […]