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Conférences
le (51m8s)
Alain Bachelot - Waves in the Anti-de Sitter space-time Ads
In this talk we address some issues concerning the wave propagation in the 4D+1 anti de Sitter space time : the role of the conformal boundary, the representation of ... Voir la vidéo
Conférences
le (44m19s)
Thomas Backdahl - Symmetry operators, conserved currents and energy momentum tensors
...Conserved quantities, for example energy and momentum, play a fundamental role in the analysis of dynamics of particles and fields. For field equations, one manifestation of... Voir la vidéo
Conférences
le (1h5s)
Claudio Dappiaggi - On the role of asymptotic structures in the construction of quantum states for free field theories on curved backgrounds
In the algebraic approach to quantum field theory on curved backgrounds, there exists a special class of quantum states for free fields, called of Hadamard form. These are ... Voir la vidéo
Conférences
le (1h25s)
Lionel Mason - Perturbative formulae for scattering of gravitational wave
... to analysis. This is based on joint work with Yvonne Geyer and Arthur Lipstein and with David Skinner.... Voir la vidéo
Conférences
le (52m54s)
Jérémie Joudioux - Hertz potentials and the decay of higher spin fields
The study of the asymptotic behavior of higher spin fields has proven to be a key point in understanding the stability properties of the Einstein equations. ... Voir la vidéo
Conférences
le (1h3m34s)
Alexander Strohmaier - Workshop
I will explain how one can formulate and formalize the Gupta Bleuler framework for the Quantization of the electromagnetic field in an algebraic manner so that it works ... Voir la vidéo
Conférences
le (59m58s)
Lars Andersson - Symmetry operators and energies
... model problems for the black hole stability problem. I will discuss some of the difficulties one encounters in analyzing waves in the Kerr exteriorand how they can be overcome. A fundamentally important aspect of geometry and analysis in the Kerr... Voir la vidéo
Conférences
le (1h3m14s)
Christian Gérard - Construction of Hadamard states for Klein‐Gordon fields
we will review a new construction of Hadamard states for quantized Klein-‐Gordon fields on curved spacetimes, relying on pseudo differential calculus on a Cauchy surface. We also ... Voir la vidéo
Conférences
le (1h1m56s)
