Computing Directed Pathwidth in O(1.89 n ) Time. - Kenta Kitsunai; Yasuaki Kobayashi; Keita Komuro; Hisao Tamaki; Toshihiro Tano (IPEC, 2012)

Search Space Reduction through Commitments in Pathwidth Computation: An Experimental Study. - Yasuaki Kobayashi; Keita Komuro; Hisao Tamaki (SEA, 2014)

Computing Directed Pathwidth in O(1.89n) Time. - Kenta Kitsunai; Yasuaki Kobayashi; Keita Komuro; Hisao Tamaki; Toshihiro Tano (Algorithmica, 2016)