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Das politische System Irans
(2011)
This essay shows in what sense Alexander von Humboldt created a new discourse on the New World. In his view of the Americas, he was able to subvert the dominantly spatial history of the 'new hemisphere' found in Cornelius de Pauw or Guillaume-Thomas Raynal by introducing dynamic and vectorial structures that allow us to focus on the Americas not as 'the other' but as a highly interrelated part of the world. Humboldt's Weltbewusstsein ('world consciousness') develops a new discourse that can be best understood as a complex answer to the second period of accelerated globalisation.
This book assembles the contributions of the Eighth European Conference on Formal Description of Slavic Languages (FDSL VIII) which took place from 2nd to 5th December 2009 at the University Potsdam. The concern was to bring together excellent experienced but also young scholars who work in the field of formal description of Slavic Languages. Besides that, two workshops on typology of Slavic Languages and on the structure of DP/NP in Slavic were organized.
We deduce a new formula for the perihelion advance $Theta$ of a test particle in the Schwarzschild black hole by applying a newly developed non-linear transformation within the Schwarzschild space-time. By this transformation we are able to apply the well-known formula valid in the weak-field approximation near infinity also to trajectories in the strong-field regime near the horizon of the black hole. The resulting formula has the structure $Theta = c_1 - c_2 ln(c^2_3 - e^2) $ with positive constants $c_{1,2,3}$ depending on the angular momentum of the test particle. It is especially useful for orbits with large eccentricities $e < c_3 < 1$ showing that $Theta o infty$ as $e o c_3$.
Article 22
(2011)
Article 33, para. 2
(2011)
Article 1 F
(2011)
Article 1 A, para. 2
(2011)
For the Lagrangian L = G ln G where G is the Gauss-Bonnet curvature scalar we deduce the field equation and solve it in closed form for 3-flat Friedman models using a statefinder parametrization. Further we show, that among all lagrangians F(G) this L is the only one not having the form G^r with a real constant r but possessing a scale-invariant field equation. This turns out to be one of its analogies to f(R)-theories in 2-dimensional space-time. In the appendix, we systematically list several formulas for the decomposition of the Riemann tensor in arbitrary dimensions n, which are applied in the main deduction for n=4.
Kommunalrecht
(2011)