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Exploring the regime of strong gauge-field backreaction during axion inflation
Axion inflation is a well-motivated inflationary model with many fascinating phenomenological consequences mainly originating from helical gauge-field production. The gauge fields can impact scalar perturbations, induce the production of circularly…
Ecole de Physique / EP234
Convection, Extreme Mixing, and Metallicity in Stellar Populations across Cosmic Time: Impact on Reionisation, Chemical Feedback, and Black Hole Populations
par Monsieur Yves SIBONY, candidat au doctorat ès sciences, mention astronomie et astrophysique. En anglais.
Observatoire Astronomique de Genève / Aula Chemin Pegasi 51, 1290 Versoix
- Séminaire
Tropical formulaes for the number π (Nikita KALININ, Guangdong Technion Israel Institute of Technology, China)
We will see how the same infinite series appear in 1) counting areas in between of Ford circles, 2) studying tropical caustics of convex domains 3) expansion a function in a certain Shauder basis associated with Farey fractions. Joint work with M.…
Conseil Général 7-9 / Room 1-07, Séminaire "Fables géométriques"
SéminaireExploring the regime of strong gauge-field backreaction during axion inflation
En savoir plus20.09.2024 11:50 – 12:50 / Ecole de Physique / EP234
Convection, Extreme Mixing, and Metallicity in Stellar Populations across Cosmic Time: Impact on Reionisation, Chemical Feedback, and Black Hole Populations
En savoir plus20.09.2024 14:00 – 16:00 / Observatoire Astronomique de Genève / Aula Chemin Pegasi 51, 1290 Versoix
SéminaireTropical formulaes for the number π (Nikita KALININ, Guangdong Technion Israel Institute of Technology, China)
En savoir plus20.09.2024 14:00 / Conseil Général 7-9 / Room 1-07, Séminaire "Fables géométriques"