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Non-Trivial Ultraviolet Fixed Point in Quantum Gravity
The non-trivial ultraviolet fixed point in quantum gravity is calculated by
means of the exact renormalization group equation in d-dimensions . It is shown that the ultraviolet non-Gaussian fixed point which is
expected from the perturbatively -expanded calculations in
gravity theory remains in d=4. Hence it is possible that quantum
gravity is an asymptotically safe theory and renormalizable in 2<d.Comment: 17 pages with 5 eps figures, to be published in Prog. Theor. Phy