Z. Bern, J. Carrasco, L. Dixon, H. Johansson, and R. Roiban. (2009)cite arxiv:0905.2326
Comment: 5 pages, 4 figures. Complete results, including mathematica readable
form, presented in the directory aux/ included in the source of this
manuscript. As certain computer operating systems (e.g. Windows) preclude the
naming of directories "aux" we also host this data at:
http://www.physics.ucla.edu/~jjmc/auxiliaryData.tgz.
A. Strominger. (2009)cite arxiv:0906.1313
Comment: 11 pages, based on lectures given at the 2008 Cargese Summer School
and to appear in the proceedings.