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The General Linear Cartan Khronon
Published 8 May 2019 in gr-qc | (1905.02967v1)
Abstract: A Cartan geometry of the General Linear symmetry is formulated by dividing out the displacements from the group. The resulting action is quadratic in curvature, polynomial in all the (minimal) variables, and describes an observer space that, in the symmetry-broken phase, reproduces the predictions of General Relativity in the presence of dark matter.
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