On Killing vector fields of a homogeneous and isotropic universe in closed model
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🧮 math.DG
math-phmath.MP
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fieldskillinguniversevectorclosedhomogeneousisotropiccase
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Killing vector fields of a closed homogeneous and isotropic universe are studied. It is shown that in general case there is no time-like Killing vector fields in such a universe. Two exceptional cases are revealed.
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