J M Collins et al 1991 Class. Quantum Grav. 8 L215 doi:10.1088/0264-9381/8/11/001
J M Collins, R A d'Inverno and J A Vickers
Show affiliationsThe authors show how the upper bound on the order of covariant differentiation of the Weyl spinor required to perform the Karlhede classification of a type D vacuum spacetime may be shown to be three, using a direct calculation in the GHP formalism.
Issue 11 (November 1991)
J M Collins et al 1991 Class. Quantum Grav. 8 L215
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