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Ophélie Ronce Ophélie Ronce is CNRS Research Director at the Institut des sciences de l'évolution in Montpellier, where she heads the "Evolution & Demography" team. She defended her thesis there in 1999, and was recruited in 2001 after a post-doctorate at …

Abstract Information geometry studies the geometric structures , distances and invariance notions of a family of probability distributions called a statistical model. A parametric statistical model can be treated as a Riemannian variety by equipping it …

Abstract This lecture is devoted to the synthetic theory of evolution : I) its history, from Antiquity to Charles Darwin, then the synthetic theory of evolution of the early 20th  century ; II) the main principles of neo-Darwinian theory, which integrates …

Abstract We introduce instant codes defined on finite alphabets of symbols, and prefix codes that can be represented by binary trees. We prove Shannon's theorem, through Kraft's lemma, which shows that the minimum length of these codes is bounded …

Abstract This is written for a general audience and will argue that science is the most long-lasting revolutionary activity known to humankind. It will explain what science is, emphasising the philosophical approach of Karl Popper. This is followed by a …

Abstract In this lecture we will address hosiotēs , one of the ancient Greek words that refers to "piety". Hosiotēs was a key notion in classical Greek religion, reflecting a core value in Athenian democracy. The term refers to what humans should do to …

Jean-Marc Tallon Jean-Marc Tallon is Director of Research at the CNRS and Professor at the Paris School of Economics. His research focuses on the foundations of decision-making in an uncertain environment, and its consequences for the distribution of risk …

I'll show how to take account of the high uncertainties surrounding economic growth and climate sensitivity when determining the discount rate over very long time horizons. Documents and media Download …

Abstract Discovery of new materials provides moments of inspiration and shifts in understanding, shaping the dynamic field of materials science. Following the graphene breakthrough, many other 2D materials emerged. Although many of them remain subjects of …

Abstract In the previous lecture, we discussed the emergence of LiCo(Ni) O2 lamellar oxides as insertion compounds for Li ion batteries, and their major evolution over the years. These advances, achieved through chemical substitutions, have improved their …

One of the instruments of justice was the andurârum , which is to be understood as the " return to original status " : this royal measure cancelled debts, allowed sellers to recover their land, etc. The history of this measure will be studied over the …

Abstract The fall of the Berlin Wall created the illusion of both the reunification of what once belonged together, and the overcoming of the division between Eastern and Western Europe. The ideas of Western-style constitutionalism triumphed in all the …

Abstract Today's threats to biodiversity are manifold. To conserve biodiversity and the countless services it provides, we need to understand how biodiversity was formed and what factors influence its dynamics. The theory of evolution by natural selection …

Abstract There are not one, but two stories to tell about the development of constitutional ideas in Europe: one for Eastern Europe and one for Western Europe. From the Enlightenment onwards, the West of the continent, particularly France, saw itself as …