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Re6: David, Whitehead, meaning of the Hilbert-Einstein
February 28, 2008 by Christopher Joh..., 1 year 38 weeks ago
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David,
I think one way of putting it in a nutshell is whether there is just one underlying Minkowski space or whether there are uncountably many tangent spaces each with its private Minkowski geometry. I think the 'effective geometry' story says one, while the orthodoxy says many. I think this is a difference that matters.
Sincerely,
Christopher