%0 Journal Article
%T The many ways of the characteristic Cauchy problem
%A Piotr T. Chru£¿ciel
%A Tim-Torben Paetz
%J Physics
%D 2012
%I arXiv
%R 10.1088/0264-9381/29/14/145006
%X We review various aspects of the characteristic initial value problem for the Einstein equations, presenting new approaches to some of the issues arising.
%U http://arxiv.org/abs/1203.4534v2