Cohen-Macaulayness of squarefree powers of edge ideals of whisker graphs

Rakesh Ghosh, S Selvaraja

Let $G$ be a finite simple graph with edge ideal $I(G)$. For $q\ge 1$, the $q$-th squarefree power $I(G{)}^{[q]}$ is generated by products of $q$ pairwise disjoint edges of $G$. It i…