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On the Number of Elementary Submodels of an Unsuperstable Homogeneous Structure |
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| Authors: | Tapani Hyttinen Saharon Shelah |
| Abstract: | We show that if M is a stable unsuperstable homogeneous structure, then for most κ ? |M|, the number of elementary submodels of M of power κ is 2κ. |
| Keywords: | Stable structure Superstable structure Homogeneous structure Elementary submodel |