Formula_20078

\[\Gamma_{j t}^{h}=\frac{1}{2} a^{h j}\left(\frac{\partial a_{i j}}{\partial x^{t}}+\frac{\partial a_{i t}}{\partial x^{j}}-\frac{\partial a_{j t}}{\partial x^{i}}\right)-\frac{1}{2}\left(v_{j} \delta_{t}^{h}+v_{i} \delta_{j}^{h}-v_{i} a^{i h} a_{j t}\right),\]