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gr-qc2004★ 2 cited
Holography for the Lorentz Group Racah Coefficients
Kirill Krasnov
A known realization of the Lorentz group Racah coefficients is given by an integral of a product of 6 ``propagators'' over 4 copies of the hyperbolic space. These are ``bulk-to-bul…
hep-th2004★ 2 cited
Effective Stringy Description of Schwarzschild Black Holes
Kirill Krasnov, Sergey N. Solodukhin
We start by pointing out that certain Riemann surfaces appear rather naturally in the context of wave equations in the black hole background. For a given black hole there are two c…