Integer Programming and Combinatorial Optimization: 18th International Conference, IPCO 2016, Liège,

OnApproximation Algorithms for Concave Mixed-Integer QuadraticProgramming.- Centerpoints:A link between optimization and convex geometry.- Rescaled coordinate descentmethods for Linear Programming.- Approximating Min-Cost Chain-ConstrainedSpanning Trees: A Reduction from Weighted to Unweighted Problems.- Max-Cutunder Graph Constraints.- Sparsest cut in planar graphs, maximum concurrent owsand their connections with the max-cut problem.- Intersection Cuts for BilevelOptimization.- Exact Algorithms for the Chance-Constrained Vehicle RoutingProblem.- Extended Formulations in Mixed-integer Convex Programming.- k-Trails: Recognition, Complexity, andApproximations.- Better s-t-Tours by Gao Trees.- Popular Edges and DominantMatchings.- Semidefinite and linear programming integrality gaps for schedulingidentical machines.- Stabilizing networkbargaining games by blocking players.- Round Robin Tournaments Generated by theCircle Method have Maximum Carry-Over.- Extreme Functions with an ArbitraryNumber of Slopes.- Minimal cut-generating functions are nearly extreme.- On theMixed Binary Representability of Ellipsoidal Regions.- Constant FactorApproximation for ATSP with Two Edge Weights.- Improved ApproximationAlgorithms for Hitting 3-Vertex Paths.- Improved Approximations for CubicBipartite and Cubic TSP.- An approximation algorithm for Uniform Capacitated k-Median problemwith 1 + capacityviolation.- Valid Inequalities for Separable Concave Constraints with IndicatorVariables.- A Polyhedral Approach to Online Bipartite Matching.- On SomePolytopes Contained in the 0,1 Hypercube that Have a Small Chvátal Rank.- RobustMonotone Submodular Function Maximization.- Maximizing Monotone SubmodularFunctions over the Integer Lattice.- Submodular Unsplittable Flow on Trees.- Strongreductions for extended formulations.- Sum-of-squares lower bounds formaximally symmetric formulations.- Sum-of-squares lower bounds for maximallysymmetric formulations.- Deciding Emptiness of the Gomory-Chvátal Closure isNP-Complete, Even for a Rational Polyhedron Containing No Integer Point.- Onthe quantile cut closure of chance-constrained problems.