Abstract
In this Letter, a new transformation given in the solution space of the Ernst equation is shown to keep the Ernst equation invariant. It is also proved that the transformation enlarges the Cosgrove symmetry and constructs the Virasoro algebra.
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Hou, BY., Lee, W. Virasoro algebra in the solution space of the Ernst equation. Lett Math Phys 13, 1–6 (1987). https://doi.org/10.1007/BF00570761
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DOI: https://doi.org/10.1007/BF00570761