Séminaires

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18 février 2020

An overview on higher-spin gravity

Le 26 juin 2015 De 10h30 à 12h00 Nicolas BOULANGER Université de Mons  We intend to give a brief introduction to the key issues in higher-spin gravity, a theoretical model that generalises gravity to include an infinite tower of higher-spin gauge fields. The main reference...

18 février 2020

The Sterile Multiverse

Le 25 juin 2015 De 12h30 à 13h30 Geraint LEWIS University of Sydney  Is the universe fine-tuned for life? And if it is, what does this mean? I’ll summarize some of the key parts of a book that I am completing on this topic, showing that it with a little change to the laws...

18 février 2020

Measuring the cosmic growth rate

Le 12 juin 2015 De 10h30 à 12h00 Martin FEIX Technion & IAP  Spatial variations in the distribution of galaxy luminosities, estimated from redshifts as distance proxies, are correlated with the peculiar velocity field. Comparing these variations with the peculiar...

18 février 2020

Properties of exoplanets and systems with Kepler

Le 1 juin 2015 De 10h30 à 12h00 Jason SteffenNorthwestern University NASA's Kepler mission has revolutionized the field of exoplanets and its discoveries give new insights into our theories of planet formation and dynamical evolution. With over 4000 planet candidates and 1000...

18 février 2020

Long-lived double-bars in galaxies

Le 24 avril 2015 De 10h30 à 12h00 Hervé WOZNIAK Observatoire astronomique de Strasbourg  Double-barred galaxies account for almost one third of all barred galaxies, suggesting that nuclear/inner stellar bars, which are embedded in large-scale primary bars, are long-lived...

18 février 2020

Gravitational lensing: A Swiss knife to dissect galaxies !

Le 17 avril 2015 De 10h30 à 12h00 Dominique Sluse Department of Astrophysics, Geophysics, Oceanography, Liège, Belgium   Strong gravitational lensing is a major tool of modern extragalactic astrophysics. The lensing phenomenon can be used as a natural telescope to magnify...