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Non-associative Deformations of Geometry in Double Field Theory
Ralph Blumenhagen, Michael Fuchs, Falk Hassler +2
Non-geometric string backgrounds were proposed to be related to a non-associative deformation of the space-time geometry. In the flux formulation of double field theory (DFT), the…
Dimensional Oxidation of Non-geometric Fluxes in Type II Orientifolds
Ralph Blumenhagen, Xin Gao, Daniela Herschmann +1
Some aspects of string compactifications with non-geometric fluxes are revisited in the light of recent progress in double field theory. After rederiving the general form of these…
The Intriguing Structure of Non-geometric Frames in String Theory
Ralph Blumenhagen, Andreas Deser, Erik Plauschinn +2
Non-geometric frames in string theory are related to the geometric ones by certain local O(D,D) transformations, the so-called -transforms. For each such transformation, we show…