---------------------------------------------------------------- IPCO VII, 1999 (Graz): List of accepted papers ---------------------------------------------------------------- K. Aardal, C. Hurkens, A.K. Lenstra, J. Smeltink Market split and basis reduction: towards a solution of the Cornuejols-Dawande instances A.A. Ageev, M.I. Sviridenko Approximation algorithms for maximum coverage and max cut with given sizes of parts R. Ahuja, D.S. Hochbaum, J.B. Orlin Solving the convex cost integer dual network flow problem E. Amaldi, M.E. Pfetsch, L.E. Trotter Structural properties of the maximum feasible subsystem problem A. Atamturk, G.L. Nemhauser, M.W.P. Savelsbergh Valid inequalities for problems with additive variable upper bounds M.C. Cai, X. Deng, W. Zang A min-max theorem on feedback vertex sets A. Caprara, M. Fischetti, A.N. Letchford On the separation of maximally violated mod-k cuts F.A. Chudak, D.P. Williamson Improved approximation algorithms for capacitated facility location problems W.H. Cunningham, L. Tang Optimal 3-terminal cuts and linear programming D. Cvetkovic, M. Cangalovic, V. Kovacevic-Vujcic Semidefinite programming methods for traveling salesman problem F. Eisenbrand, A.S. Schulz Bounds on the Chvatal Rank of Polytopes in the 0/1-cube L. Fleischer Universally maximum flow with piecewise-constant capacities J. Fonlupt, A.R. Mahjoub Critical extreme points of the 2-edge connected spanning subgraph polytope A. Frank, T. Jordan, Z. Szigeti An orientation theorem with parity conditions A. Frank, Z. Kiraly Parity constrained k-edge-connected orientations E. Halperin, U. Zwick Approximation algorithms for MAX 4-SAT and rounding procedures for semidefinite programs M. Hartmann, M. Queyranne, Y. Wang On the Chvatal rank of certain inequalities D. Hartvigsen The square-free 2-factor problem in bipartite graphs C. Helmberg The m-Cost ATSP S. Iwata, S.T. McCormick, M. Shigeno A strongly polynomial cut canceling algorithm for the submodular flow problem T. Jordan Edge splitting problems with demands K. Kashiwabara, M. Nakamura, T. Takabatake Integral polyhedra associated with certain submodular functions defined on 012-Vectors G.W. Klau, P. Mutzel Optimal compaction of orthogonal grid drawings P. Klein, N. Young On the number of iterations for Dantzig-Wolfe optimization and packing-covering approximation algorithms S.G. Kolliopoulos, C. Stein Experimental evaluation of approximation algorithms for single-source unsplittable flow V. Melkonian, E. Tardos A 4-approximation algorithm for a class of directed network design problems P. Mutzel, R. Weiskircher Optimizing over all combinatorial embeddings of a planar graph H. Nagamochi, T. Ibaraki A fast algorithm for computing minimum 3-way and 4-way cuts J. Noga, S. Seiden Scheduling two machines with release times A. Sebo An introduction to empty simplices Z. Szigeti On optimal ear-decompositions of graphs C.P. Teo, J. Sethuraman, W.P. Tan Gale-Shapley stable marriage revisited: Strategic issues and applications E. Uchoa, M. Poggi de Aragao Vertex-disjoint packing of two Steiner trees: Polyhedra and Branch-and-Cut