Integer Programming and Combinatorial Optimization 6th International IPCO Conference Houston, Texas, June 22–24, 1998 Proceedings

0,1 Matrices, Matroids.- The Packing Property.- A Characterization of Weakly Bipartite Graphs.- Bipartite Designs.- Characterizing Noninteger Polyhedra with 0–1 Constraints.- A Theorem of Truemper.- The Generalized Stable Set Problem for Claw-Free Bidirected Graphs.- On a Min-max Theorem of Cacti.- Edge Connectivity.- Edge-Splitting and Edge-Connectivity Augmentation in Planar Graphs.- A New Bound for the 2-Edge Connected Subgraph Problem.- An Improved Approximation Algorithm for Minimum Size 2-Edge Connected Spanning Subgraphs.- Algorithms.- Multicuts in Unweighted Graphs with Bounded Degree and Bounded Tree-Width.- Approximating Disjoint-Path Problems Using Greedy Algorithms and Packing Integer Programs.- Approximation Algorithms for the Mixed Postman Problem.- Improved Approximation Algorithms for Uncapacitated Facility Location.- The Maximum Traveling Salesman Problem Under Polyhedral Norms.- Integer Programming Applications.- Polyhedral Combinatorics of Benzenoid Problems.- Consecutive Ones and a Betweenness Problem in Computational Biology.- Solving a Linear Diophantine Equation with Lower and Upper Bounds on the Variables.- Integer Programming Computation.- The Intersection of Knapsack Polyhedra and Extensions.- New Classes of Lower Bounds for Bin Packing Problems.- Solving Integer and Disjunctive Programs by Lift and Project.- A Class of Hard Small 0—1 Programs.- Network Flows.- Building Chain and Cactus Representations of All Minimum Cuts from Hao-Orlin in the Same Asymptotic Run Time.- Simple Generalized Maximum Flow Algorithms.- The Pseudoflow Algorithm and the Pseudoflow-Based Simplex for the Maximum Flow Problem.- An Implementation of a Combinatorial Approximation Algorithm for Minimum-Cost Multicommodity Flow.- Scheduling.- Non-approximability Resultsfor Scheduling Problems with Minsum Criteria.- Approximation Bounds for a General Class of Precedence Constrained Parallel Machine Scheduling Problems.- An Efficient Approximation Algorithm for Minimizing Makespan on Uniformly Related Machines.- On the Relationship Between Combinatorial and LP-Based Approaches to NP-Hard Scheduling Problems.- Quadratic Assignment Problems.- Polyhedral Combinatorics of Quadratic Assignment Problems with Less Objects than Locations.- Incorporating Inequality Constraints in the Spectral Bundle Method.