Search for dissertations about: "Massive gravity"

Showing result 16 - 20 of 22 swedish dissertations containing the words Massive gravity.

  2. 16. Arithmetic and Hyperbolic Structures in String Theory

    Author : Daniel Persson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Instantons; Kac-Moody algebras; Spacelike singularities; String Theory;

    Abstract : This thesis consists of an introductory text followed by two separate parts which may be read independently of each other. In Part I we analyze certain hyperbolic structures arising when studying gravity in the vicinity of spacelike singularities (the BKL-limit). READ MORE

  4. 17. Compact Relativistic Matter Shells with Massless and Charged Particles

    Author : Maximilian Thaller; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Spherical Symmetry; massless Einstein-Vlasov system; Einstein-Vlasov-Maxwell system; Static Solutions; Vlasov matter; General Relativity; Einstein-Vlasov-Maxwell system;

    Abstract : The Vlasov model is a matter model that is widely used in physics. In the context of astrophysics and cosmology it describes an ensemble of self gravitating, collisionless particles. These particles can be interpreted as for example ions, stars, or galaxies. READ MORE

  5. 18. Young Stellar Clumps and Clusters in the Local Universe

    Author : Matteo Messa; Göran Östlin; Angela Adamo; Petri Väisänen; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Astronomy; astronomi;

    Abstract : The thesis introduces the process of star formation at the scale of galaxies, where a turbulent--dominated interstellar medium (ISM) can locally collapse under self-gravity. This collapse results in a star formation process which is hierarchical both in space and time. READ MORE

  6. 19. Geophysical investigation for 3D geological modelling and ore exploration in the Skellefte mining district

    Author : Saman Tavakoli; Thorkild Rasmussen; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Tillämpad geofysik; Applied Geophysics;

    Abstract : The Skellefte mining district, northern Sweden, is regarded as one of the country’s richest mineral districts. Most of the outcropping deposits in this district or those deposits which are located at shallow depths (≤ 300 m) are likely to have already been discovered, which motivated the Swedish mining companies to expand their explorations at greater depths (e. READ MORE

  7. 20. Coagulation in liver failure : the role of thromboelastometry and fibrinogen

    Author : Gabriel Dumitrescu; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Liver failure is undeniably accompanied by distortions of the coagulation system. The modern theory of coagulation in patients with compensated liver disease (acute or chronic) states that the coagulation system is in a rebalanced state, also displaying prothrombotic tendencies particularly towards the end stages. READ MORE