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hep-th2005
Symmetries of WDVV equations
Yujun Chen, Maxim Kontsevich, Albert Schwarz
We say that a function F(tau) obeys WDVV equations, if for a given invertible symmetric matrix eta^{alpha beta} and all tau \in T \subset R^n, the expressions c^{alpha}_{beta gamma…
hep-th2003
Quantum Liouville theory and BTZ black hole entropy
Yujun Chen
In this paper I give an explicit conformal field theory description of (2+1)-dimensional BTZ black hole entropy. In the boundary Liouville field theory I investigate the reducible…
hep-th2003
Quasinormal Modes and Black Hole Quantum Mechanics in 2+1 Dimensions
Danny Birmingham, Steven Carlip, Yujun Chen
We explore the relationship between classical quasinormal mode frequencies and black hole quantum mechanics in 2+1 dimensions. Following a suggestion of Hod, we identify the real p…