Note On: N. E. Aguilera, M. S. Escalante, G. L. Nasini, “A Generalization of the Perfect Graph Theorem Under the Disjunctive Index”

We give short elementary proofs of two results by N. E. Aguilera, M. S. Escalante, and G. L. Nasini on the disjunctive index of the clique relaxation of the stable set polytope.

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