kkrsusc/theory.md

@@ -37,7 +37,7 @@ G_{ij}^\sigma(\vec{r},\vec{r}';E) &= \sum_{LL'}Y_L(\hat{r}) \big(\sqrt{E}\,R_{i\
 ```
 
 
-where $r_\< = \min(r,r\')$ and $r_\> =
+where $r_{\text{min} = \min(r,r\')$ and $r_{\text{max} =
 \max(r,r\')$, and $G\^{\sigma,\text{str}}_{iL,jL\'}(E)$ is the
 structural GF, describing backscattering effects.