Re: why can't we erase information?

From: Wei Dai <weidai.domain.name.hidden>
Date: Mon, 10 Apr 2006 16:19:57 -0700

Ti Bo wrote:
> On reversibility, there is the observation (I think acredittable to Tom
> Toffoli)
> that most/all irreversible systems have a reversible subsystem and the
> dynamics arrive in that
> subsystem after some (finite) time. Thus any system that we observe a
> while
> after it has started will, with high likelihood, be reversible. In some
> sense the
> irreversibility dissipates and leaves a reversible core.

That's an interesting observation, but are you suggesting that it can
explain why our universe is reversible? If so, how? Do you have a reference
to a fuller explication of the idea?



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Received on Tue Apr 11 2006 - 02:35:25 PDT

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