the paper completely characterizes all graphs having the same adjoint equivalent classification with a certain type of 3-ary trees.

• 通过运用由刘儒英教授提出[参见离散数学,1997,172:85-92]的伴随多项式理论和最小根定理[参见离散数学,2004,281:277-294],给出了一类三叉树的伴随等价图