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Degrees of isomorphism types and countably categorical groups |
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| Authors: | Aleksander Ivanov |
| Institution: | 1. Institute of Mathematics, University of Wroclaw, pl.Grunwaldzki 2/4, 50-384, Wroclaw, Poland |
| Abstract: | It is shown that for every Turing degree d there is an ω-categorical group G such that the isomorphism type of G is of degree d. We also find an ω-categorical group G such that the isomorphism type of G has no degree. |
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