论文标题
当所有孔的长度相同时
When all holes have the same length
论文作者
论文摘要
对于每个整数$ \ ell \ geq 7 $，我们都会对图形类别进行结构描述，其弦的无弦循环至少4个都有长度$ \ ell $。
For every integer $\ell \geq 7$, we give a structural description of the class of graphs whose chordless cycles of length at least 4 all have length $\ell$.
