Integer Programming and Combinatorial Optimization

Sparsity and integrality gap transference bounds for integer programs.- Separating k-Median from the Supplier Version.- A Better-Than-1.6-Approximation for Prize-Collecting TSP.- On Matrices over a Polynomial Ring with Restricted Subdeterminants.- A First Order Method for Linear Programming Parameterized by Circuit Imbalance.- Approximately Packing Dijoins via Nowhere-Zero Flows.- Capacitated Facility Location with Outliers and Uniform Facility Costs.- Integer Points in Arbitrary Convex Cones: The Case of the PSD and SOC Cones.- The Extension Complexity of Polytopes with Bounded Integral Slack Matrices.- Assortment Optimization with Visibility Constraints.- Adaptivity Gaps in Two-sided Assortment Optimization.- Two-Stage Stochastic Stable Matching.- Von Neumann-Morgenstern Stability and Internal Closedness in Matching Theory.- Fully-Dynamic Load Balancing.- Pairwise-Independent Contention Resolution.- An FPTAS for Connectivity Interdiction.- Tight Lower Bounds for Block-Structured Integer Programs.- A Lower Bound for the Max Entropy Algorithm for TSP.- On the Number of Degenerate Simplex Pivots.- On the Partial Convexification of the Low-Rank Spectral Optimization: Rank Bounds and Algorithms.- On the Congruency-Constrained Matroid Base.- Online Combinatorial Assignment in Independence Systems.- Decomposing Probability Marginals Beyond Affine Requirements.- Polynomial Algorithms to Minimize 2/3-Submodular Functions.- A 4/3-Approximation for the Maximum Leaf Spanning Arborescence Problem in DAGs.- Extending the primal-dual 2-approximation algorithm beyond uncrossable set families.- Network Flow Problems with Electric Vehicles.- Lower Bounds on the Complexity of Mixed-Integer Programs for Stable Set and Knapsack.- Relaxation strength for multilinear optimization: McCormick strikes back.- Online Algorithms for Spectral Hypergraph Sparsification.- Fast Combinatorial Algorithms for Efficient Sortation.- A New Branching Rule for Range Minimization Problems.- Sensitivity analysis for mixed binary quadratic programming.