... I also recognise a confusion on whether the Multiverse would contain *all* logically possible structures or if it is more closely connected to "us", ...
650
Brett R. Hall
brhall@...
Mar 1, 2001 4:14 pm
From Dr. Deutsch's article <snip> "Zeno's paradox is the earliest known critique of the common-sense idea that we live in a “continuum” — an infinitely...
651
wdeshleman@...
Mar 1, 2001 5:49 pm
it may help if you consider that Everett and Deutsch are describing a multiverse that is objectively continuous and subjectively discontinuous. I get a sense...
652
William Taylor
rama_314@...
Mar 1, 2001 6:27 pm
... I don't know what some people have against the continuum. All the logical problems with it were settled a hundred years ago. It just so happens that our...
653
Eric Lombrozo
eric@...
Mar 2, 2001 2:29 am
One of the greatest triumphs (or difficulties, as some would have it) of quantum physics is precisely the unification of the discrete and the continuous within...
654
juergen@...
Mar 2, 2001 1:25 pm
William Taylor wrote: >>> I don't know what some people have against the continuum. All the logical problems with it were settled a hundred years ago. It...
655
Capital Office
development@...
Mar 2, 2001 4:19 pm
... A question please. Would you assert that infinities have no place in algorithmic TOEs ? For example, that a Multiverse may be very large, but not infinite?...
656
Robin Green
greenrd@...
Mar 2, 2001 7:51 pm
... It's easy to define toy universes whose evolution is perfectly deterministic, but not computable. Roger Penrose gives an example in "The Emporer's New...
657
Charles Goodwin
charles@...
Mar 2, 2001 11:41 pm
... David Deutsch explicitly claims in The Discrete and the Continuous that "...within each universe all observable quantities are discrete, but the multiverse...
658
Russell Standish
R.Standish@...
Mar 3, 2001 1:47 am
... Not at all. Schroedinger's equation is still a description, satisfying a certain set of axioms (the usual ones for complex valued Hilbert spaces). You...
659
Capital Office
development@...
Mar 3, 2001 1:48 am
... There is no reason why a theory containing indescribable things might not be fully deterministic or anything else you'd care to make it. But surely, if you...
660
Capital Office
development@...
Mar 3, 2001 3:21 am
... An algorithmic TOE implies computability. One obvious concern is that a continuum cannot be represented as, say, state transitions. If a universe is to be...
661
iangordon@...
Mar 3, 2001 10:57 pm
... Exactly ---- It means nothing --> Negative It doesn't mean nothing ---> Positive It means something ---> Positive It does mean something ---->...
662
Russell Standish
R.Standish@...
Mar 4, 2001 12:55 am
Universes filled with flying pink elephant are also computable. See the endless discussion about the "White Rabbit Problem". However most priors defined on...
663
William Taylor
rama_314@...
Mar 4, 2001 2:30 am
I am not terribly familiar with many of the possibilities offered by quantum computers. I am aware of Shor's algorithm and other exciting developments, but I...
664
Capital Office
development@...
Mar 4, 2001 3:03 pm
... Of course. Which is why I was careful to make the flying pink elephants of infinite size: Thus ruling out any possibility of making their characteristics...
665
Russell Standish
R.Standish@...
Mar 4, 2001 11:00 pm
... Countably infinite is still computable - remember the computation needn't halt. The problems come with higher cardinalities than aleph_0. One can write...
666
Aki Tasa
jskogste@...
Mar 5, 2001 2:39 am
... Possible problems: Photons move straight, also through each other. Free electron is cloud-like too (position is unknown). My model is: Electrons in...
667
Charles Goodwin
charles@...
Mar 5, 2001 4:08 am
Another problem, if electrons and photons are localised particles, is how the photon "knows" where to find the electron. Of course, this isn't a problem under...
668
David Deutsch
david.deutsch@...
Mar 5, 2001 4:47 am
... Fascinating question. I don't know the answer. I'll think about it. [SNIP] ... Yes. ... Not necessarily. Decoherence is generally caused by any interaction...
669
juergen@...
Mar 5, 2001 2:44 pm
Karl wrote: A question please. Would you assert that infinities have no place in algorithmic TOEs ? For example, that a Multiverse may be very large, but not...
670
Graham, Scott
ScottG@...
Mar 5, 2001 5:24 pm
... Wouldn't this mean that the beams from two separate lasers would not (amongst other things) produce interference fringes if both were aimed at the same...
671
William Taylor
rama_314@...
Mar 5, 2001 5:49 pm
Just out of curiosity, what is meant by "analogue particle" here? Aren't all photons, electrons etc. identical to each other, so that even "God himself"...
672
Charles Goodwin
charles@...
Mar 6, 2001 2:00 am
Good point. No misconceptions here - you're absolutely right. Certainly, within a given universe, and assuming no hidden variables, 2 particles in the same...
673
Charles Goodwin
charles@...
Mar 6, 2001 2:01 am
The more I think about this, the more murky this issue seems to become, no doubt due to me missing a fundamental point somewhere. IF an electron is a discrete...
674
Russell Standish
R.Standish@...
Mar 6, 2001 2:02 am
... I suppose you would argue that "sin(x)" cannot be computed simply because not all values for sin(x) can be computed for all computable x (eg the integers)....
675
Damien Broderick
d.broderick@...
Mar 6, 2001 4:28 am
Hope folks will forgive this item of flagrant self-promotion, but it *does* have a FoR link: I'm pleased to announce that my short story `Infinite Monkey', a...
676
David Deutsch
david.deutsch@...
Mar 6, 2001 5:09 am
Damien Broderick <d.broderick@...> wrote on 6/3/01 3:06 ... I like it, though it's not really all that quantum. Many-worlds, yes. Anyway,...
677
z_motyka
brxzm@...
Mar 6, 2001 3:43 pm
Hi, Damien! Looking through the FoR group mails (Hi, folks! - They are really interesting! It is good job, and I hope it will be possible to me to take part in...
678
Capital Office
development@...
Mar 6, 2001 3:43 pm
... Very true. The argument, I think, is that any individual universe's path is random/chaotic/undetermined. There is no "cause" of this randomness. There is...
