The speciality index and the lifshitz-khalatnikov kasner index parametrization.

The speciality index function S for any Petrov type I, II or D spacetime is shown to be a natural function of a single complex scalar quantity u (natural modulo permutation symmetries). For the family of Kasner spacetimes, this quantity is a function of the Kasner indices alone which coincides with the real Lifshitz-Khalatnikov parameter u for those indices.

Main Author: Bini, Donato.
Other Authors: Cherubini, Christian., Jantzen, Robert.
Language: English
Published: 2007
Online Access: http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:177430