A variational expression is used to prove that all axisymmetric modes of the Kerr sequence of rotating black holes are stable.
DOI:https://doi.org/10.1103/PhysRevLett.32.243
©1974 American Physical Society
John L. Friedman and Bernard F. Schutz, Jr.
Vol. 32, Iss. 5 — 4 February 1974
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