Definition:Bilinear Form

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This page is about Bilinear Form. For other uses, see Bilinear Mapping.


Let $R$ be a ring.

Let $M$ be an $R$-module.

A bilinear form on $M$ is a bilinear mapping $b : M \times M \to R$.

In the context of calculus of variations

Let $B$ be a bilinear functional.

Let $B$ be defined on a finite-dimensional space.

Then $B$ is a bilinear form.

Also see