X-Message-Number: 20281
From: "Mark Plus" <>
Subject: Re: Then a Miracle Happens?
Date: Thu, 10 Oct 2002 22:16:46 -0700

In Message #20274, Mike Perry writes:

>Somebody is now claiming they can solve classical computing's famous
Halting Problem with quantum computing. This would overturn the
long-enshrined Church-Turing thesis, and provide another argument for
many-worlds or something similar. Many other profound implications--all
depending on whether it holds up, of course. See
http://www.newsfactor.com/perl/story/19601.html.

Is it true that a quantum computer is working on your particular problem 
even if you observe it to be turned "off" in your universe, because the 
computer is "on" & running your program in parallel ones? Seems like it 
could have practically "oracular" powers, if it can efficiently solve 
problems previously "proved" to have been unsolvable on realistic time 
scales.

Mark Plus
It's not "religious" or "science fictional" if you can do it?


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