van Geffen, Bas, Bart Jansen, Arnoud de Kroon, and Rolf Morel. “Lower Bounds for Dynamic Programming on Planar Graphs of Bounded Cutwidth”. Journal of Graph Algorithms and Applications 24, no. 3 (March 1, 2020): 461–482. Accessed June 30, 2024. https://jgaa.info/index.php/jgaa/article/view/paper542.