These revisions were done exclusively by Adamo
and Newman, therefore the author order was slightly changed. There was nothing essentially wrong in the
earlier version, but we have included several new results (in the text and in appendices), corrected an error
of interpretation in Section 7, and (the main reason for the revision) we found much easier ways of doing
some of the long calculations with very much simpler arguments. Roughly the changes are: Aside from a few
word changes,
http://www.livingreviews.org/lrr-2009-6
http://www.livingreviews.org/lrr-2012-1 |
Living Rev. Relativity 15, (2012), 1
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