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SUMMARY:Saskia Demulder (MPI Munich)
DTSTART:20200717T123000Z
DTEND:20200717T133000Z
DTSTAMP:20260423T035606Z
UID:EGSS/11
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/EGSS/11/">In
 tegrable deformation of CPn and generalised Kähler geometry</a>\nby Saski
 a Demulder (MPI Munich) as part of Exceptional geometry seminar series\n\n
 \nAbstract\nGeneralised geometry has proven to be a central framework to u
 nderstand T- and U-duality. In particular it provides a critical language 
 to understand two-dimensional deformations of non-linear sigma-models on g
 roup manifolds and coset spaces which admit Poisson-Lie symmetry. This lat
 ter can be seen as a relaxation of the notion of isometry allowing one to 
 perform a generalised notion of T-duality.  In this talk I will discuss jo
 int work with F. Hassler\, G. Piccinini\, D. Thompson\, where we studied i
 ntegrable deformations of CPn background. Notwithstanding the à priori co
 mplexity of these deformations\, we show how the deformed CPn background i
 s an example of a bi-Hermitian or generalised Kähler geometry. In additio
 n we explain how the generalised Kähler potential can be constructed for 
 the deformed CPn geometry and provide explicit forms for n=1\,2.\n
LOCATION:https://researchseminars.org/talk/EGSS/11/
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