The concept of square-free coloring was introduced in graph theory by Alon in 2002.

无正方形着色的概念由阿龙在2002年引入图论。

Crab Graphs, Algorithms, Graph Theory, How is this network flow?

蟹图形、算法、图论这网络流是怎么做的？

Maze problem is a classical problem in graph theory and other fields.

迷宫问题是图论等领域中的经典问题。

The coloring theory of graphs is one important branch of graph theory.

图的染色理论是图论中的一个重要分支。

The algorithm is based on the principle of flow graph theory and set theory.

该算法基于流图理论的基本原理和简单的集合运算，概念明确，易于掌握；