Abstract
We show that if A and  are automorphic via Φ then the structures 𝒮ℛ(A) and 𝒮ℛ(Â) are δ03-isomorphic via an isomorphism Ψ induced by Φ. Then we use this result to classify completely the orbits of hhsimple sets.
Citation
Peter A. Cholak. Leo A. Harrington. "Isomorphisms of splits of computably enumerable sets." J. Symbolic Logic 68 (3) 1044 - 1064, September 2003. https://doi.org/10.2178/jsl/1058448453
Information
