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Explicit solutions for Point Particles and Black Holes in spaces of constant curvature in 2+1-D Gravity

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abstract

In this paper we consider space-times containing matter expanding or contracting according to a time-dependent scale factor. Cosmologies with vanishing, positive or negative cosmological constant are considered. In the case of vanishing or negative cosmological constant open and closed spatial surfaces are solutions while in the case of positive cosmological constant only closed surfaces exist. The gravitational field is solved explicitly in the case of 1 or 2 particles, 1 black-hole, and 1 black-hole vacuum state.

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Mixed Solutions to the Liouville Equation

hep-th · 2025-06-02 · conditional · novelty 6.0

Explicit mixed-monodromy Liouville solutions are constructed and their large-hyperbolic limits are used to describe time-symmetric slices of 2+1 gravity with particles and black holes.

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  • Mixed Solutions to the Liouville Equation hep-th · 2025-06-02 · conditional · none · ref 8 · internal anchor

    Explicit mixed-monodromy Liouville solutions are constructed and their large-hyperbolic limits are used to describe time-symmetric slices of 2+1 gravity with particles and black holes.