Hi,
I think this paper might be fodder for a nice discussion!
http://arxiv.org/abs/1301.5295
About the Infinite Repetition of Histories in Space
Francisco José Soler Gil
<http://arxiv.org/find/physics/1/au:+Gil_F/0/1/0/all/0/1>,Manuel
Alfonseca <http://arxiv.org/find/physics/1/au:+Alfonseca_M/0/1/0/all/0/1>
(Submitted on 22 Jan 2013 (v1 <http://arxiv.org/abs/1301.5295v1>), last
revised 23 Jan 2013 (this version, v2))
This paper analyzes two different proposals, one by Ellis and
Brundrit, based on classical relativistic cosmology, the other by
Garriga and Vilenkin, based on the DH interpretation of quantum
mechanics, both of which conclude that, in an infinite universe,
planets and living beings must be repeated an infinite number of
times. We point to some possible shortcomings in the arguments of
these authors. We conclude that the idea of an infinite repetition
of histories in space cannot be considered strictly speaking a
consequence of current physics and cosmology. Such ideas should be
seen rather as examples of {\guillemotleft}ironic
science{\guillemotright} in the terminology of John Horgan.
--
Onward!
Stephen
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