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Proper time reparametrization in cosmology: Möbius symmetry and Kodama charges. (English) Zbl 1487.83039


MSC:

83C45 Quantization of the gravitational field
83F05 Relativistic cosmology
70S15 Yang-Mills and other gauge theories in mechanics of particles and systems
70H33 Symmetries and conservation laws, reverse symmetries, invariant manifolds and their bifurcations, reduction for problems in Hamiltonian and Lagrangian mechanics
83C20 Classes of solutions; algebraically special solutions, metrics with symmetries for problems in general relativity and gravitational theory
53C21 Methods of global Riemannian geometry, including PDE methods; curvature restrictions
62M05 Markov processes: estimation; hidden Markov models
51B10 Möbius geometries
52A55 Spherical and hyperbolic convexity
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References:

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