Theory of linear and integer programming
Theory of linear and integer programming
Mathematical Programming: Series A and B
Integer and combinatorial optimization
Integer and combinatorial optimization
Graphs and Hypergraphs
Graph Theory With Applications
Graph Theory With Applications
Operations Research Letters
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The cut polytope P"c(G) of a graph G is the convex hull of the incidence vectors of the edge sets of all cuts of G. We give a sufficient condition for an inequality defining a facet of P"c(G) to define a facet of the cut polytope of a graph containing G as an induced subgraph. Our result generalizes a result of Deza stating that if G is a complete graph with more than two vertices, then an inequality defines a facet of P"c(G) if and only if it defines a facet of the cut polytope of every complete graph containing G.