Groups > comp.lang.java.programmer > #2539

Re: The halting problem revisited

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From	"javax.swing.JSnarker" <gharriman@boojum.mit.edu>
Newsgroups	comp.lang.java.programmer
Subject	Re: The halting problem revisited
Date	Tue, 29 Mar 2011 08:35:17 -0400
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On 29/03/2011 8:22 AM, Dirk Bruere at NeoPax wrote:
> On 29/03/2011 12:49, javax.swing.JSnarker wrote:
>> On 29/03/2011 12:21 AM, Dirk Bruere at NeoPax wrote:
>>> However, I do not believe it is algorithmic.
>>> QM randomness seems to be a result of asking questions for which there
>>> is no physical answer.
>>
>> Actually, QM randomness is a symptom of indexical uncertainty about
>> which exact universe you're in out of many that look identical up to a
>> certain point in time and then diverge, more or less.
>>
>> In fact, copies of you end up experiencing each possible universe that
>> has you in it, so the uncertainty is really about which *you* you are
>> out of many that have had thus-far-identical experiences.
>>
>> Which means the randomness is actually in data from a source external to
>> any computer inside the universe. But if you simulated the whole
>> multiverse, by just running Schrödinger's wavefunction for the initial
>> state forward without collapse, in that simulation would be implicit
>> emulations of the smaller computer, each receiving a different random
>> bit-string -- and all embedded in a deterministic whole.
>>
>
> That's what I said (in a different way)!
> But I agree with you that it is a plausible mechanism in the MWI context

Well, in principle there is a "physical answer" in this case, but in 
practice you can't actually get at it. :)

-- 
public final class JSnarker
extends JComponent
A JSnarker is an NNTP-aware component that asynchronously provides 
snarky output when the Ego.needsPuncturing() event is fired in cljp.

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Re: The halting problem revisited "javax.swing.JSnarker" <gharriman@boojum.mit.edu> - 2011-03-29 07:49 -0400
  Re: The halting problem revisited Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-29 13:22 +0100
    Re: The halting problem revisited "javax.swing.JSnarker" <gharriman@boojum.mit.edu> - 2011-03-29 08:35 -0400
    Re: The halting problem revisited Lew <noone@lewscanon.com> - 2011-03-29 11:39 -0400
      Re: The halting problem revisited Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-29 16:55 +0100
        Re: The halting problem revisited Lew <noone@lewscanon.com> - 2011-03-29 11:59 -0400
          Re: The halting problem revisited Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-29 17:18 +0100
  Re: The halting problem revisited Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-03-31 13:15 +1300
    Re: The halting problem revisited "javax.swing.JSnarker" <gharriman@boojum.mit.edu> - 2011-04-04 20:36 -0400

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