Ricci tensor
= Ricci tensor
{c}
The Ricci tensor is the contraction $R_{\alpha\beta}=R^\mu{}_{\alpha\mu\beta}$ and is symmetric for the Levi-Civita connection.
= Ricci tensor
{c}
The Ricci tensor is the contraction $R_{\alpha\beta}=R^\mu{}_{\alpha\mu\beta}$ and is symmetric for the Levi-Civita connection.