• closedAccess   Triangles in the graph of conjugacy classes of normal subgroups 

      Beltrán, Antonio; Felipe, Maria José; Melchor Borja, Carmen Springer (2015-12)
      Let G be a finite group and N a normal subgroup of G. We determine the structure of N when the graph ΓG(N), which is the graph associated to the conjugacy classes of G contained in N, has no triangles and when the graph ...