论文标题
$（n \ times 4）$和$（n \ times 5）$ - 网格图的独立综合体
Independence complexes of $(n \times 4)$ and $(n \times 5)$-grid graphs
论文作者
论文摘要
我们确定$（n \ times 4）$和$（n \ times 5）$ - 方形网格图的独立络合物的同质类型。实际上，它们是同等的，等效于球体的楔形。
We determine the homotopy types of the independence complexes of $(n \times 4)$ and $(n \times 5)$-square grid graphs. In fact, they are homotopy equivalent to wedges of spheres.
