Fig. 7.

A greedy step over minimal I-MAPs performed by GSP. a True graph ${\mathcal{G}}^{\ast }$, to which the distribution $\mathbb{P}(X)$ is faithful. b Minimal I-MAP associated with the permutation ${\pi }^{(0)}=[2,4,1,3]$, with covered edges shown in red. c Minimal I-MAP associated with the permutation ${\pi }^{(1)}=[2,4,3,1]$, obtained after flipping the covered edge $1\to 3$ (Color figure online)