Re: This Week's Finds in Mathematical Physics (Week 208)
From: Ken S. Tucker (dynamics_at_vianet.on.ca)
Date: 11/09/04
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Date: 8 Nov 2004 18:31:41 -0800
baez@galaxy.ucr.edu (John Baez) wrote in message news:<cmodn2$7im$1@glue.ucr.edu>...
[snip good stuff]
> For those of you hungering for technical details, I'll just say that
> the topological theory in question is BF theory with the symmetry group
> of deSitter spacetime, namely SO(4,1), as the gauge group. General
> relativity can be regarded as a perturbation of this BF theory by
> borrowing some ideas from the "MacDowell-Mansouri" formulation of
> general relativity. If you haven't heard of that, well, neither had I.
> It's a sort of old idea:
> 8) S. W. MacDowell and F. Mansouri, Unified geometric theory of gravity
> and supergravity, Phys. Rev. Lett. 38 (1977), 739-742.
^^^^^^^^^^^^^^
Does anyone have an online reference to that paper?
TIA
Ken S. Tucker
(tried, couldn't get one...)
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