Structures symplectiques et de Poisson sur les champs en cat\'egories

27 Apr 2018 Toën Bertrand

The purpose of this short note is to present two existence results concerning symplectic and lagrangian structures in the derived setting, in situations where the constructions of [Ca] and [PTVV] do not apply. For this we show that symplectic structures can be constructed out of Calabi-Yau structures on sheaves of dg-categories, or out of \emph{orientations} on sheaves of rigid dg-categories... (read more)

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  • ALGEBRAIC GEOMETRY
  • ALGEBRAIC TOPOLOGY