Self-dual differential form
= Self-dual differential form
{title2=$\Omega^2_+$}
{wiki=Self-dual_form}
On an oriented Riemannian four-manifold, a two-form $\alpha$ is self-dual when $*\alpha=\alpha$.
= Self-dual differential form
{title2=$\Omega^2_+$}
{wiki=Self-dual_form}
On an oriented Riemannian four-manifold, a two-form $\alpha$ is self-dual when $*\alpha=\alpha$.