Update concurrent.md

02_Presentation/top_opt/inverse_hom/concurrent.md

@@ -71,7 +71,7 @@ l(\nu_m)=\int_{\Omega_m} D_m(\rho_m)\varepsilon(u^0_m)\varepsilon(\nu_m)  \mathb
 ```math
 D_M=[c+(\rho_M)^p(1-c)]D^H \\
 D_m=[c+(\rho_m)^p(1-c)]D^0
-```math
+```
 
 - $`D_0`$ is the constitutive elastic tensor of the material and $`c=1e^{-9}`$ constant to avoid singularity of the stiffness matrix
 - $`D_H`$ is the homogenized stiffness tensor