New facets for the two-stage uncapacitated facility location polytope
Computational Optimization and Applications
Composition of stable set polyhedra
Operations Research Letters
A branch-and-cut algorithm for the maximum cardinality stable set problem
Operations Research Letters
New facets for the set packing polytope
Operations Research Letters
2-clique-bond of stable set polyhedra
Discrete Applied Mathematics
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A graph $G$ with a two-node cutset decomposes into two pieces. A technique to describe the stable set polytope for $G$ based on stable set polytopes associated with the pieces is studied. This gives a way to characterize this polytope for classes of graphs that can be recursively decomposed. This also gives a procedure to describe new facets of this polytope. A compact system for the stable set problem in series-parallel graphs is derived. This technique is also applied to characterize facet-defining inequalities for graphs with no $K_{5}\e$ minor. The stable set problem is polynomially solvable for this class of graphs. Compositions of $h$-perfect graphs are also studied.