Spectral Functions for BTZ Black Hole Geometry
arXiv:hep-th/0609102
Abstract
Using an orbifold description of the Euclidean BTZ black hole, we show that there is a special relation between the spectrum and the truncated heat kernel of this black hole with the Patterson-Selberg zeta function.
9 pages, no figures, revised version to be published in the Lett. Math. Phys