Algebraic types in Zilber's exponential field

Vahagn Aslanyan, Jonathan Kirby

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Abstract

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.
Original languageEnglish
Pages (from-to)37-54
Number of pages18
JournalModel Theory
Volume4
Issue number1
DOIs
Publication statusPublished - Jan 2025

Keywords

  • math.LO
  • math.NT
  • 03C60 (primary)
  • algebraic closure
  • exponential field
  • Zilber’s pseudoexponential field
  • 03C65
  • 12L12

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