Seeking the balance: patching double and exceptional field theories

Georgios Papadopoulos*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)
125 Downloads (Pure)


We investigate the patching of double and exceptional field theories. In double field theory the patching conditions imposed on the spacetime after solving the strong section condition imply that the 3-form field strength H is exact. A similar conclusion can be reached for the form field strengths of exceptional field theories after some plausive assumptions are made on the relation between the transition functions of the additional coordinates and the patching data of the form field strengths. We illustrate the issues that arise, and explore several alternative options which include the introduction of C-folds and of the topological geometrisation condition.

Original languageEnglish
Article number89
Pages (from-to)1-23
JournalJournal of High Energy Physics
Issue number10
Early online date14 Oct 2014
Publication statusPublished - Oct 2014


  • Differential and Algebraic Geometry
  • M-Theory
  • String Duality


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