单群的点传递图的GI-性质
The GI-properties of the vertex-transitive graphs of simple groups

针对点传递图的同构问题，类似于Babai关于Cayley图为CI图的充分必要条件，给出了点传递图为GI-图的判别准则，并研究了单群的点传递图的GI-性质.
On the isomorphism problem of the vertex-transitive graphs，we give the criterion for a vertex-transitive graph to be a GI-graph，analogous to the conditions for a Cayley graph to be a CI-graph given by Babai. On basis of this，we attack the GI-properties of the vertex-transitive graphs of simple groups