Errata

Abstract

Proc. R. Soc. Lond. A 396, 55-74 (1984) On the Nutku-Halil solution for colliding impulsive gravitational waves By Subrahmanyan Chandrasekhar, F. R. S., and Valeria Ferrari Page 62, equation (65), first line, last term: replace d χ 2 by d x 2 ; third line: replace e - β by —e β , as in the preceding line. Page 65, equation (82), third line: replace ͞m i by m i . Page 66, equation (86): in the expression for γ a factor ∆ in front of (cot θ — cot ψ ) has been omitted and the expression in parentheses in the last term should read (sin ψ cos θ + cos ψ sin θ ). Page 68, equation (111), last line: replace by (1 — | E |) 2 by (1 — | E | 2 ) 2 . Page 70, equation (117), first line: replace ψ 4 by ψ 4 . Page 73, equation (131): replace γ in the first term by v .