On Sat, Oct 29, 2011 at 09:17:17AM -0700, Nick Prince wrote:
> Hi Stathis
> Maybe you are thinking of Tegmark level 1 or level 2 type multiverses
> here, in which case I agree.  What I was doing in my analysis was
> thinking about QM type 3 multiverses only. Let's pretend that these
> are the only variety for the moment, then my analysis does indicate
> that cul de sacs arise only if the unitary development during
> interactions follow the ideal measurement prescription.  You can see
> this because in the times between the action of operator Mdev and Mc
> the cat is alive in both branches but destined to die in one of them.

Why do you think there are conscious moments during the unitary
evolution between Mdev and Mc? Surely the evolution between successive
observer moments must be nonunitary. Unitary evolution is essentially


Prof Russell Standish                  Phone 0425 253119 (mobile)
Principal, High Performance Coders
Visiting Professor of Mathematics      hpco...@hpcoders.com.au
University of New South Wales          http://www.hpcoders.com.au

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