Three-colored Answers for Cubic Graph by Expand Trees with Face
Bin Cheng · Zhongyang Minzu Daxue xuebao · 2005
We analyzed the characters of odd_even and combination of cubic graph, and got the concept of pieces_can_be_three_colored. Most of pieces_can_be_three_colored were found by the method of expand trees with face. We educed many edge three _colored answers from pieces_can_be_three_colored of cubic graph.