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Feb 8, 2010 at 18:52 comment added Sam Lewallen Thanks, this is very interesting. I was about to ask what the condition was for.
Feb 7, 2010 at 22:31 history edited Allen Knutson CC BY-SA 2.5
Added paragraph concerning "eqvtly projective"
Feb 7, 2010 at 19:54 history answered Allen Knutson CC BY-SA 2.5