A lot of terminology here that I'm not familiar with. I'd have to be
convinced that its worth the effort of learning this language before I
could pass a comment on this proposal.
Cheers
On Thu, Feb 26, 2004 at 11:08:25AM -0500, Stephen Paul King wrote:
> Dear Russel,
>
> What I am considering is this from
> http://tph.tuwien.ac.at/~svozil/publ/1999-embed-jfulltext.pdf. The aspect of
> a quantum system that can be embedded into an atomic Boolean algebra or
> related classical structure.
>
> Could this partial image of a QM system be sufficient, given the ability
> of QM system of simulating, function f, classical systems completely, to
> act as a partitioning function, function g, over the operators for
> observables as to seperate them out into mutually consistence subsets?
>
> The idea looks like this:
>
> f
> Q ----- > {C}
> ^ |
> | g |
> -----<------
>
> Where Q is a quantum system and {C} is the set of class of simulable
> classical systems, f being the simulation function and g being the partial
> (non-bijective) map from the Lindenbaum algebra of the classical systems to
> Q.
> This seems to allow for some kind of quotienting or partitioning of the
> operators that make up Q.
>
> I apologize if my question is ill posed. ;-)
>
> Kindest regards,
>
> Stephen
>
>
> ----- Original Message -----
> From: "Russell Standish" <R.Standish.domain.name.hidden>
> To: "Stephen Paul King" <stephenk1.domain.name.hidden>
> Cc: "Russell Standish" <R.Standish.domain.name.hidden>; "Bruno Marchal"
> <marchal.domain.name.hidden>; <everything-list.domain.name.hidden.com>
> Sent: Wednesday, February 25, 2004 9:16 PM
> Subject: Re: Tegmark is too "physics-centric"
>
> On Wed, Feb 25, 2004 at 12:08:43AM -0500, Stephen Paul King wrote:
> > Dear Russel,
> >
> > Could we associate this "psychological time" with the orderings that
> > obtain when considering successive measurements of various measurements of
> > non-commutative canonically conjugate (QM) states?
>
> The word "successive" implies a time dimension already. I'm not sure
> what you are proposing here.
>
> > Also, re your Occam's razor paper, have you considered the necessity
> of
> > a principle that applies between observers, more than that involved with
> the
> > Anthropic principle? Something along the lines of: the allowable
> > communications between observers is restrained to only those that are
> > mutually consistent. We see hints of this in EPR situations. ;-)
> >
>
> No I haven't considered this second requirement. It would be
> interesting to note whether it is a derivative concept (can be derived
> from the standard QM principles say), or whether it needs to be added
> in as a fundamental requirement (in which case comes the question of
> why).
>
> Cheers
>
> > Kindest regards,
> >
> > Stephen
> >
> > ----- Original Message -----
> > From: "Russell Standish" <R.Standish.domain.name.hidden>
> > To: "Bruno Marchal" <marchal.domain.name.hidden>
> > Cc: "Russell Standish" <R.Standish.domain.name.hidden>;
> > <everything-list.domain.name.hidden>
> > Sent: Tuesday, February 24, 2004 5:19 PM
> > Subject: Re: Tegmark is too "physics-centric"
> >
> > I think that "psychological time" fits the bill. The observer needs a
> > a temporal dimension in which to appreciate differences between
> > states.
> >
> > "Physical time" presupposes a physics, which I haven't done in
> > "Occam".
> >
> > It is obviously a little more structured than an ordering. A space
> > dimension is insufficient for an observer to appreciate differences,
> > isn't it?
> >
> > Cheers
> >
> > snip
> >
>
> --
>
>
> ----------------------------------------------------------------------------
> A/Prof Russell Standish Director
> High Performance Computing Support Unit, Phone 9385 6967, 8308 3119 (mobile)
> UNSW SYDNEY 2052 Fax 9385 6965, 0425 253119 (")
> Australia R.Standish.domain.name.hidden
> Room 2075, Red Centre http://parallel.hpc.unsw.edu.au/rks
> International prefix +612, Interstate prefix 02
> ----------------------------------------------------------------------------
>
--
----------------------------------------------------------------------------
A/Prof Russell Standish Director
High Performance Computing Support Unit, Phone 9385 6967, 8308 3119 (mobile)
UNSW SYDNEY 2052 Fax 9385 6965, 0425 253119 (")
Australia R.Standish.domain.name.hidden
Room 2075, Red Centre http://parallel.hpc.unsw.edu.au/rks
International prefix +612, Interstate prefix 02
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Received on Thu Feb 26 2004 - 17:04:05 PST