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Preprint Number 453
453. Antongiulio Fornasiero
Groups and rings definable in d-minimal structures
Submission date: 18 May 2012.
We study groups and rings definable in d-minimal expansions of ordered fields. We generalize to such objects some known results from o-minimality. In particular, we prove that we can endow a definable group with a definable topology making it a topological group, and that a definable ring of dimension at least 1 and without zero divisors is a skew field.
Mathematics Subject Classification: 03C64 (Primary) 12J15, 22E15 (Secondary)
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