Ken-ichi Kawarabayashi, Kenta Ozeki. Spanning closed walks and TSP in 3-connected planar graphs. In Yuval Rabani, editor, Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2012, Kyoto, Japan, January 17-19, 2012. pages 671-682, SIAM, 2012. [doi]
Abstract is missing.