2004/05/19 by Jacek Jezierski
Physics and Astronomy · #gr-qc
published as in Relativity Today (Proc. 7th Hungarian Relativity Workshop, 2003) Ed. I. Racz, (Akadémiai Kiadó, Budapest, 2004) · 10 pages
arxiv created 2004/05/19 · arxiv updated 2009/12/01
We review some basic natural geometric objects on null hypersurfaces. Gauss-Codazzi constraints are given in terms of the analog of canonical ADM momentum which is a well defined tensor density on the null surface. Bondi cones are analyzed with the help of this object.