The main motivation here is a question: whether any polyhedron which can be subdivided into convex pieces without adding a vertex, and which has the same vertices as a convex poly...
Abstract. In this paper the Pareto solution set of a piecewise linear multiobjective optimization problem in a normed space is shown to be a union of finitely many semiclosed polyh...
The richest class of t-perfect graphs known so far consists of the graphs with no so-called odd-K4. Clearly, these graphs have the special property that they are hereditary t-perfe...