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Preprint Number 1928
1928. Paolo Lipparini Linearly ordered sets with only one operator have the amalgamation property E-mail: Submission date: 27 February 2021 Abstract: The class of linearly ordered sets with one order preserving unary operation has the Strong Amalgamation Property (SAP). The class of linearly ordered sets with one strict order preserving unary operation has AP but not SAP. The class of linearly ordered sets with two order preserving unary operations has not AP. For every set $F$, the class of linearly ordered sets with an $F$-indexed family of automorphisms has SAP. Corresponding results are proved in the case of order reversing operations. Various subclasses of the above classes are considered and some model-theoretical consequences are presented. Mathematics Subject Classification: 03C52, 06F99, 06A05, 03C64 Keywords and phrases: |
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