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Preprint Number 884
884. Monica M. VanDieren Union of Saturated Models in Superstable Abstract Elementary Classes E-mail: Submission date: 7 July 2015. Abstract: In this paper we prove: Theorem 1. Let K be an abstract elementary class which satisfies the joint embedding and amalgamation properties. Suppose λ > μ ≥ LS(K) and θ is a limit ordinal < λ^+. If K is μ-superstable and μ^+-superstable and satisfies μ^+-symmetry, then for any increasing and continuous sequence 〈 M_i | i<θ 〉 of μ^+-saturated models of cardinality λ, the model ∪_{i<θ}M_i is μ^+-saturated. Mathematics Subject Classification: Keywords and phrases: |
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