Search for dissertations about: "Marc Mars"

Found 2 swedish dissertations containing the words Marc Mars.

  2. 1. The Chevreton tensor and its trace

    Author : Ingemar Eriksson; Marc Mars; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; MATHEMATICS; MATEMATIK;

    Abstract : In this thesis we investigate the Chevreton tensor in Einstein-Maxwell theory. It was introduced in 1964 as the counterpart, for electromagnetic fields, of the well-known Bel-Robinson tensor of the gravitational field. We prove that, in the absence of electromagnetic sources, this tensor is completely symmetric. READ MORE

  4. 2. Shapes of Spacetimes : Collected tales of black holes

    Author : Emma Jakobsson; Ingemar Bengtsson; Marc Mars; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; teoretisk fysik; Theoretical Physics;

    Abstract : In theory, the existence of black holes is predicted by general relativity. In reality, there is a general consensus that they exist in space; in particular at the center of many galaxies. The theory of black holes has been around for decades, but there are still interesting questions calling for attention. READ MORE