Some approaches to 2+1-dimensional gravity coupled to point-particles

Details Some approaches to 2+1-dimensional gravity coupled to point-particles Some approaches to 2+1-dimensional gravity coupled to point-particles

1995-11-29

arxiv.org/abs/hep-th/9511211v1

Physics

High Energy Physics

High Energy Physics - Theory

24 pages Latex, 12 figures (uuencoded) Talk given at Kazan Summer School

Scientific paper

In these notes we will review some approaches to 2+1 dimensional gravity and the way it is coupled to point-particles. First we look into some exact static and stationary solutions with and without cosmological constant. Next we study the polygon approach invented by 't Hooft. The third section treats the Chern-Simonons formulation of 2+1-gravity. In the last part we map the problem of finding the gravitational field around point-particles to the Riemann-Hilbert problem.

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