Speaker
Thomas De Fraja
(Heriot-Watt University)
Description
We develop a new approach to T-duality based on Courant algebroid relations which subsumes the usual T-duality as well as its various generalisations. We introduce the relation associtated to Courant algebroid reduction, and describe how to transfer the information of generalised metrics through the reduction, via transverse generalised metrics and isometries. This is used to construct T-dual backgrounds as generalised metrics on reduced Courant algebroids which are related by a generalised isometry. There is a existence and uniqueness result for generalised isometric exact Courant algebroids coming from reductions.
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| Please select the most relevant category | Strings |
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Primary author
Thomas De Fraja
(Heriot-Watt University)
Co-authors
Richard Szabo
(Heriot-Watt University)
Vincenzo Marotta
(Charles University)
