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Embeddings of the Virasoro algebra and black hole entropy
Maximo Banados
We consider embeddings of the Virasoro algebra into other Virasoro algebras with different central charges. A Virasoro algebra with central charge c (assumed to be a positive integ…
Quantum three-dimensional de Sitter space
Maximo Banados, Thorsten Brotz, Miguel Ortiz
We compute the canonical partition function of 2+1 dimensional de Sitter space using the Euclidean Chern-Simons formulation of 3d gravity with a positive cosmol…
A note on covariant action integrals in three dimensions
Maximo Banados, Fernando Mendez
We compute -in the saddle point approximation- the partition function for the 2+1 black hole using the Gibbons-Hawking approach. Some issues concerning the definition of thermodyna…
The central charge in three dimensional anti-de Sitter space
M. Banados, M. Ortiz
This paper collects the various ways of computing the central charge arising in 3d asymptotically anti-de Sitter spaces, in the Chern-Simons formulation. Their similariti…
Anti-de Sitter space and black holes
Maximo Banados, Andres Gomberoff, Cristian Martinez
Anti-de Sitter space with identified points give rise to black-hole structures. This was first pointed out in three dimensions, and generalized to higher dimensions by Aminneborg e…
Anti-de Sitter/CFT Correspondence in Three-Dimensional Supergravity
Maximo Banados, Karin Bautier, Olivier Coussaert +2
Anti-de Sitter supergravity models are considered in three dimensions. Precise asymptotic conditions involving a chiral projection are given on the Rarita-Schwinger fields. Togethe…
Higher Dimensional Chern-Simons Theories and Topological Black Holes
Maximo Banados
It has been recently pointed out that black holes of constant curvature with a "chronological singularity" can be constructed in any spacetime dimension. These black holes share ma…
Boundary dynamics and the statistical mechanics of the 2+1 dimensional black hole
M. Banados, T. Brotz, M. Ortiz
We calculate the density of states of the 2+1 dimensional BTZ black hole in the micro- and grand-canonical ensembles. Our starting point is the relation between 2+1 dimensional qua…