Cylindrically symmetric gravitational-wavelike space–times
作者： F. Ali , T. Feroze
DOI: 10.1134/S0040577917110101
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摘要: We present Noether symmetries of a geodetic Lagrangian for time-conformal cylindrically symmetric space–time. introduce factor in the general space–time to make it nonstatic and then find approximate action corresponding Lagrangian. Taking perturbation up first order, we all Lagrangians space–times which exist.
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