Jerzy Lewandowski (University of Warsaw)

Title: Non-singular global Kerr-NUT-(A)dS spacetimes

Abstract: The outstanding issue of a non-singular extension of the Kerr-NUT-(anti) de Sitter solutions to Einstein's equations is solved completely. The Misner's method of obtaining the extension for Taub-NUT spacetime is generalized in a non-singular manner. The Killing vectors that define non-singular spaces of non-null orbits are derived and applied. The global structure of spacetime is discussed. The non-singular conformal geometry of the infinities is derived. The Killing horizons are present.

Seminar Physique Mathématique
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