Cartan's second structure equation
= Cartan's second structure equation
{c}
Cartan's second structure equation defines the curvature forms by
$$
\mathcal R^a{}_b=d\omega^a{}_b+\omega^a{}_c\wedge\omega^c{}_b.
$$
= Cartan's second structure equation
{c}
Cartan's second structure equation defines the curvature forms by
$$
\mathcal R^a{}_b=d\omega^a{}_b+\omega^a{}_c\wedge\omega^c{}_b.
$$