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hep-th2003★ 5 cited
Twistors, CFT and Holography
Kirill Krasnov
According to one of many equivalent definitions of twistors a (null) twistor is a null geodesic in Minkowski spacetime. Null geodesics can intersect at points (events). The idea of…
gr-qc2003★ 38 cited
Black Hole Thermodynamics and Riemann Surfaces
Kirill Krasnov
We use the analytic continuation procedure proposed in our earlier works to study the thermodynamics of black holes in 2+1 dimensions. A general black hole in 2+1 dimensions has g…