Coherent tannaka duality and algebraicity of hom-stacks

Jack Hall, David Rydh

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We establish Tannaka duality for noetherian algebraic stacks with affine stabilizer groups. Our main application is the existence of Hom-stacks in great generality.

Original languageEnglish (US)
Pages (from-to)1633-1675
Number of pages43
JournalAlgebra and Number Theory
Issue number7
StatePublished - 2019


  • Algebraic stacks
  • Formal gluings
  • Hom-stacks
  • Mayer-vietoris squares
  • Tannaka duality

ASJC Scopus subject areas

  • Algebra and Number Theory

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