Karl Bringmann, Pawel Gawrychowski, Shay Mozes, Oren Weimann. Tree Edit Distance Cannot be Computed in Strongly Subcubic Time (unless APSP can). In Artur Czumaj, editor, Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2018, New Orleans, LA, USA, January 7-10, 2018. pages 1190-1206, SIAM, 2018. [doi]
Abstract is missing.