Closed differential form
= Closed differential form
{title2=$d\alpha=0$}
{wiki=Closed_and_exact_differential_forms}
A differential form $\alpha$ is closed when $d\alpha=0$.
= Closed differential form
{title2=$d\alpha=0$}
{wiki=Closed_and_exact_differential_forms}
A differential form $\alpha$ is closed when $d\alpha=0$.