| an edge packing y is maximal if there is no other feasible edge packing y' such that y \le y' | 
| An edge packing y is maximal if there is no other feasible edge packing y' such that  y ≤ y'. (In other words, no edge weight can be increased without violating some constraint in the dual.) | 
| * * [http://www.cs.ucr.edu/~neal/index.cgi?b=abstracts#Khuller94Primal | 
| * [http://www.cs.ucr.edu/~neal/index.cgi?b=abstracts#Khuller94Primal |