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OK, that's the formula for is... but what exactly is it? Liamdaly620 19:03, 13 July 2006 (UTC)
Wow, as-is, this article makes almost no sense at all. Time to do some work...Rybu 13:44, 18 April 2007 (UTC)
The link to "signature of a bilinear form" doesn't actually give the definition of signature intended here. — Preceding unsigned comment added by 166.248.2.44 (talk) 15:09, 13 August 2012 (UTC)