40 years of success of the lambda cold dark matter model

le 29 octobre 2021, 11h à 13h, Alain Blanchard, salle Coriolis, OMP

In the early 1980’s cosmology underwent a very important transformation with the introduction of non-baryonic dark matter on the one hand and the theory of inflation on the other. Since the 1990’s the so-called LCDM model has been so successful that the construction of competitive alternative models has become very difficult.  I will summarize all these developments and conclude on the questions that remain open.