The indecomposable tournaments $T$ with $\mid W_5(T)\mid =\mid T\mid -2$

Houmem Belkhechine, Imed Boudabbous, Kaouthar Hzami

We consider a tournament $T=(V,A)$. For $X\subseteq V$, the subtournament of $T$ induced by $X$ is $T[X]=(X,A\cap (X\times X))$. An interval of $T$ is a subset $X$ of $V$ suc…