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arXiv:2307.13228 [math.LO]AbstractReferencesReviewsResources

Variations of rigidity

Sergey V. Sudoplatov

Published 2023-07-25Version 1

We study possibilities for semantic and syntactic rigidity, i.e., the rigidity with respect to automorphism group and with respect to definable closure. Variations of rigidity and their degrees are studied in general case, for special languages and for some natural operations with structures.

Categories: math.LO
Subjects: 03C50, 03C30
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