
A rigorous (and simple) proof is given that there is a one-to-one correspondence between causal anti-deSitter covariant quantum field theories on anti-deSitter space and causal conformally covariant quantum field theories on its conformal boundary. The correspondence is given by the explicit identification of observables localized in wedge regions in anti-deSitter space and observables localized in double-cone regions in its boundary. It takes vacuum states into vacuum states, and positive-energy representations into positive-energy representations.
16 pages, 1 figure, v3: new material added in response to referees' reports, v4: a hasty conclusion in v3 rectified + more cosmetic changes
High Energy Physics - Theory, AdS/CFT correspondence, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), wedge regions, anti-deSitter space, Axiomatic quantum field theory; operator algebras, Two-dimensional field theories, conformal field theories, etc. in quantum mechanics, General Relativity and Quantum Cosmology, double cones, Applications of functional analysis in quantum physics, High Energy Physics - Theory (hep-th), causal nets of observable algebras, anti-deSitter group
High Energy Physics - Theory, AdS/CFT correspondence, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), wedge regions, anti-deSitter space, Axiomatic quantum field theory; operator algebras, Two-dimensional field theories, conformal field theories, etc. in quantum mechanics, General Relativity and Quantum Cosmology, double cones, Applications of functional analysis in quantum physics, High Energy Physics - Theory (hep-th), causal nets of observable algebras, anti-deSitter group
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