Notes, Comments and Preliminary results Jun 25 2003 Rod Garratt and Cheng-Zhong Qin   On potential maximization as a refinement of Nash equilibrium   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 28 2003 Rod Garratt and Cheng-Zhong Qin   On cooperation structures resulting from simultaneous proposals   Abstract  Contact Information  Citation  Full Text  -  Note