The $(\le 6)$-half-reconstructibility of digraphs

Baraa Salem, Jamel Dammak

Let $G=(V,A)$ be a digraph. With every subset $X$ of $V$, we associate the subdigraph $G[X]=(X,A\cap (X\times X))$ of $G$ induced by $X$. Given a positive integer $k$, a digraph $G…