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Minimizing the union: tight approximations for small set bipartite vertex expansion. (English) Zbl 1411.68184

Klein, Philip N. (ed.), Proceedings of the 28th annual ACM-SIAM symposium on discrete algorithms, SODA 2017, Barcelona, Spain, January 16–19, 2017. Philadelphia, PA: Society for Industrial and Applied Mathematics (SIAM); New York, NY: Association for Computing Machinery (ACM). 881-899 (2017).

MSC:

68W25 Approximation algorithms
05C65 Hypergraphs
05C85 Graph algorithms (graph-theoretic aspects)
68Q17 Computational difficulty of problems (lower bounds, completeness, difficulty of approximation, etc.)
68Q25 Analysis of algorithms and problem complexity
90C27 Combinatorial optimization