Submission date: 16 February 2023

Abstract:

In algebraic geometry specialisations and valuations play and important role. In this paper we start investigating analogous structures for Zariski structures. Specifically, we look into the existence and uniqueness properties of extensions of universal specialisations from a base Zariski structure to its regular cover. In the process we begin to uncover some structural properties of regular covers of Zariski structures, and also to uncover the type of topological properties necessary for a Zariski structure to have a “good” theory of specialisations. A subclass of Zariski structures is identified with a “good” theory of specialisations.

Mathematics Subject Classification: Primary: 03C07, 03C10, 03C35, 03C50, 03C52, Secondary: 14A99, 18F15, 55R65, 57R22

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