# Extended index of a bilinear form

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## Definition

The **extended index** of a bilinear form on a real vector space is defined as the maximum possible dimension of a negative definite subspace.

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The **extended index** of a bilinear form on a real vector space is defined as the maximum possible dimension of a negative definite subspace.

- This page was last edited on 31 May 2020, at 10:24.
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