Russell Standish writes:
> I was not aware of the Born rule having been derived multiple times
> (although I'm not too suprised if that is the case). Do you have any
> references? The Born rule is one of the things I derive in my "Why
> Occam's paper".
I just have a couple of recent references, but both of them point
to several earlier ones, including of course Everett's original
work. One is David Deutsch's attempt to use decision theory,
http://www.arxiv.org/abs/quant-ph/9906015 . This paper has been widely
criticized; one defense of it is at http://arxiv.org/abs/quant-ph/0312157 .
See also Robin Hanson's two papers on his "mangled worlds" concept,