Re: Mega-mega engineering?

Peter C. McCluskey (pcm@rahul.net)
Mon, 1 Dec 1997 09:52:05 -0800

asa@nada.kth.se (Anders Sandberg) writes:
>I have so far not heard a good suggestion in this area, there are
>unfortunately too few experts on global relativity on this list. I
>think there is a theorem somewhere, mentioned in Tipler's Physics of
>Immortality, that says it is not possible to open a closed universe.

Page 641 of The Anthropic Cosmological Principle. The tensor calculus
involved is beyond me, but the result appears to depend only on the
adequacy of general relativity.

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