fermi_surface/theory.md

-###### Perform Fermi surfaces calculations using pkkr code {#perform_fermi_surfaces_calculations_using_pkkr_code}
+###### Perform Fermi surfaces calculations using pkkr code
 
 The computation of Fermi surfaces, or band structures can be easily done
 setting the *RUNOPTION* *qdos* (see [Qdos
@@ -22,7 +22,7 @@ particularly transport ones. However, the \'qdos method\' allows to have
 a first glance on the Fermi surface, before launching more accurate
 computations with the pkkr code.
 
-##### Fermi surface calculation {#fermi_surface_calculation}
+##### Fermi surface calculation
 
 The goal is to solve numerically the secular equation of KKR : \\\\
 \$\|\\underline{\\underline{M}}(\\vec{k},E)\|=0 \$ where
@@ -39,7 +39,7 @@ eigenvalue which satisfies the following condition
 k-space, for a fixed energy \$E\$, and find
 \$\\min\\limits\_{\\vec{k},\\nu}(\|\\lambda\_\\nu(\\vec{k},E)\|)\$.
 
-##### Qualitative explanation of the iterative method {#qualitative_explanation_of_the_iterative_method}
+##### Qualitative explanation of the iterative method
 
 The main feature of this method is that the Brillouin zone, will be
 divided into cubes and into each cube the secular equation