invariance of negative signature of the metric?
- From: iuval <clejan@xxxxxxxxxxxxxx>
- Date: Fri, 7 Mar 2008 07:02:13 -0800 (PST)
Is there a theorem saying that if the metric starts out with a
negative signature on a spacelike surface (one or three eigenvalues
negative) that the field equations will preserve this negative
signature for all future and past?
What if there were 5 dimensions?
-Iuval
.
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