Twisted deformation quantization of algebraic varieties

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Abstract

Let X be a smooth algebraic variety over a field K containing the real numbers. We introduce the notion of twisted associative (resp. Poisson) deformation of the structure sheaf OX. These are stack-like versions of usual deformations. We prove that there is a twisted quantization operation from twisted Poisson deformations to twisted associative deformations, which is canonical and bijective on gauge equivalence classes. This result extends work of Kontsevich, and our own earlier work, on deformation quantization of algebraic varieties.

Original languageEnglish
Pages (from-to)241-305
Number of pages65
JournalAdvances in Mathematics
Volume268
DOIs
StatePublished - 2 Jan 2015

Keywords

  • Algebraic varieties
  • DG Lie algebras
  • Deformation quantization
  • Gerbes
  • Primary
  • Secondary
  • Stacks

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