# Hodge dual

Given a

measure over an n-dimensional

manifold expressible as an

n-form μ (not all measures are of this form, for example, the

Dirac delta function), the

**Hodge dual** of a

p-form **A** is defined as the

contraction where is the dual n-vector. See

sign convention.

*This article is a stub. You can help Wikipedia by fixing it.*