On Equivalence of Topological and Quantum 2d Gravity
A. Marshakov, A. Mironov, A. Morozov
Abstract
We demonstrate the equivalence of Virasoro constraints imposed on continuum limit of partition function of Hermitean 1-matrix model and the Ward identities of Kontsevich's model. Since the first model describes ordinary d = 2 quantum gravity, while the second one is supposed to coincide with Witten's topological gravity, the result provides a strong implication that the two models are indeed the same.
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