A ug 1 99 5 Nuts have no hair
نویسنده
چکیده
We show that the Riemannian Kerr solutions are the only Riemannian, Ricci-flat and asymptotically flat C2-metrics gμν on a 4dimensional complete manifold M of topology R2×S2 which have (at least) a 1-parameter group of periodic isometries with only isolated fixed points (”nuts”) and with orbits of bounded length at infinity. ∗Present address: Institut für theoretische Physik der Univ. Wien, Boltzmanngasse 5, A-1090 Wien, Austria. E-mail: [email protected]
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تاریخ انتشار 1995