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Differential geometry with a projection: Application to double field theory
Differential geometry projection field theory
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2010/12/23
In recent development of double field theory, as for the description of the massless sector of closed strings, the spacetime dimension is formally doubled, i.e. from D to D+D, and the T-duality is re...
Frame-like Geometry of Double Field Theory
Frame-like Geometry Double Field Theory
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2010/12/24
We relate two formulations of the recently constructed double field theory to a frame-like geometrical formalism developed by Siegel. A self-contained presentation of this formalism is given, includi...