Decomposition.md

@@ -59,4 +59,6 @@ Note also that each external ghost box of a sub-domain is an internal ghost box
 
 [[uploads/Domain_decomposition_internal.jpg]]
 
-The following image show the internal ghost boxes of the same local processor indicated with B5_0 B8_0 B9_0 and B9_1. The production of these ghost boxes can be produced as the intersection of the local sub-domain with the expanded adjacent processor sub-domains 
+The following image show the internal ghost boxes of the same local processor indicated with B5_0 B8_0 B9_0 and B9_1. The production of these ghost boxes can be produced as the intersection of the local sub-domain with the expanded adjacent processor sub-domains.
+
+Each distributed structure in general define a function to synchronize the ghost part called *ghost_get*