Definition:Gaussian Curvature

Definition
The Gaussian curvature $\Kappa$ of a surface at a point is the product of the principal curvatures, $\kappa_1$ and $\kappa_2$, at the given point:
 * $\Kappa = \kappa_1 \kappa_2$

Also known as
The Gaussian curvature is also known as the Gauss curvature.