Eden Chlamtác, Michael Dinitz, Yury Makarychev. Minimizing the Union: Tight Approximations for Small Set Bipartite Vertex Expansion. In Philip N. Klein, editor, Proceedings of the Twenty-Eighth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2017, Barcelona, Spain, Hotel Porta Fira, January 16-19. pages 881-899, SIAM, 2017. [doi]
Abstract is missing.