
arXiv: 2405.01399
We characterise the model-theoretic algebraic closure in Zilber's exponential field. A key step involves showing that certain algebraic varieties have finite intersections with certain finite-rank subgroups of the graph of exponentiation. Mordell-Lang for algebraic tori (a theorem of Laurent) plays a central role in our proof.
Minor revisions
Mathematics - Number Theory, Exponential field, Model-theoretic algebra, Zilber’s pseudoexponential field, Mathematics - Logic, Models of other mathematical theories, exponential field, 510, Zilber's pseudoexponential field, 03C60 (primary), 03C65, 12L12, FOS: Mathematics, algebraic closure, Number Theory (math.NT), Logic (math.LO), Model theory of fields
Mathematics - Number Theory, Exponential field, Model-theoretic algebra, Zilber’s pseudoexponential field, Mathematics - Logic, Models of other mathematical theories, exponential field, 510, Zilber's pseudoexponential field, 03C60 (primary), 03C65, 12L12, FOS: Mathematics, algebraic closure, Number Theory (math.NT), Logic (math.LO), Model theory of fields
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