Rajesh Hemant Chitnis, MohammadTaghi Hajiaghayi, Dániel Marx. Tight Bounds for Planar Strongly Connected Steiner Subgraph with Fixed Number of Terminals (and Extensions). In Chandra Chekuri, editor, Proceedings of the Twenty-Fifth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2014, Portland, Oregon, USA, January 5-7, 2014. pages 1782-1801, SIAM, 2014. [doi]
Abstract is missing.