In particular , chordality is obtained by adding edges producing the induced graph of the primal graph according to an arbitrary ordering .
These are binary constraints satisfied by any pair of values , and are used only to add edges to the primal graph of the problem .
Chordality is obtained by adding edges producing the induced graph of the primal graph according to an arbitrary ordering .
These are binary constraints satisfied by any pair of values , and are used only to add edges to the primal graph of the problem .