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Factoid Details

‘A form can be (bilinear form).’

[⟨the form.n⟩ (nn bilinear.n form.n)]

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In Wikipedia:

The metric “g” is defined to be the real part of “h”: The form “g” is a symmetric bilinear form on “TM” C, the complexified tangent bundle.
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In Wikipedia:

In mathematics, the Killing form ’”, named after Wilhelm Killing, is a symmetric bilinear form that plays a basic role in the theories of Lie groups and Lie algebras.
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Queried on 2013-05-22.