Further Approximations for Demand Matching: Matroid Constraints and Minor-Closed Graphs

@article{Ahmadian2017FurtherAF,
  title={Further Approximations for Demand Matching: Matroid Constraints and Minor-Closed Graphs},
  author={S. Ahmadian and Zachary Friggstad},
  journal={ArXiv},
  year={2017},
  volume={abs/1705.10396}
}
  • S. Ahmadian, Zachary Friggstad
  • Published 2017
  • Mathematics, Computer Science
  • ArXiv
  • We pursue a study of the Generalized Demand Matching problem, a common generalization of the $b$-Matching and Knapsack problems. Here, we are given a graph with vertex capacities, edge profits, and asymmetric demands on the edges. The goal is to find a maximum-profit subset of edges so the demands of chosen edges do not violate vertex capacities. This problem is APX-hard and constant-factor approximations are known. Our results fall into two categories. First, using iterated relaxation and… CONTINUE READING
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