Reconstruction of function fields

Research output: Contribution to journalArticle

Abstract

For k an algebraic closure of the finite field double-struck F sign p ,ℓ prime distinct from p and X a surface over k, we prove that the field of rational functions k(X) can be recovered from the maximal pro-ℓ-quotient GK of its absolute Galois group - in fact already from the second central descending series quotient of GK .

Original languageEnglish (US)
Pages (from-to)400-462
Number of pages63
JournalGeometric and Functional Analysis
Volume18
Issue number2
DOIs
StatePublished - Jul 2008

Keywords

  • Function fields
  • Galois groups

ASJC Scopus subject areas

  • Analysis
  • Geometry and Topology

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