Theses  Applied Mathematics and Theoretical Physics
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Rayleigh scattering of the Cosmic Microwave Background: Towards a first detection with the next generation of surveys.
The cosmic microwave background (CMB) has been a treasure trove for cosmology. CMB experiments such as Planck have put stringent constraints on the now standard model for Cosmology: ΛCDM. Over the next decade, current and ... 
Bootstrap Techniques in Flat Space and Cosmology
The scientific understanding of the Universe is evolving at a rapid pace. Each new experiment yields more and more accurate measurements of its fundamental parameters. The standard cosmological model postulates a very early ... 
On existence, stability, accuracy and learning of approximate decoders for illposed inverse problems
Artificial intelligence (AI) methods are changing the sciences and scientific computing, in particular also in the field of inverse problems. In inverse problems, for example in imaging AI based methods seemingly achieve ... 
New Perspectives on Operator Deformations and Tduality in String Theory
The moduli space of string theories has been the subject of intense research efforts for many years now. Much of these efforts are focused on string compactifications, and in particular worldsheet conformal field theories ...