英语语法分析

An automorphism of a map is an isomorphism from the map to itself.

一个地图的自同构就是到它本身的一个同构。

We can distinguish nonlinear automorphism of polynomials algebra by using the test polynomials.

给出了一类新的试验多项式，可识别多项式代数的非线性自同构。

It is proved that a simple graph G is automorphism line graph if and only if the graph G is 2-regular graph.

首次给出自构线图的定义，并证明：简单图G为自构线图的充要条件是图G为2-正则简单图。