Stav Ashur, Omrit Filtser, Matthew J. Katz, Rachel Saban. Terrain-Like Graphs: PTASs for Guarding Weakly-Visible Polygons and Terrains. In Evripidis Bampis, Nicole Megow, editors, Approximation and Online Algorithms - 17th International Workshop, WAOA 2019, Munich, Germany, September 12-13, 2019, Revised Selected Papers. Volume 11926 of Lecture Notes in Computer Science, pages 1-17, Springer, 2019. [doi]
Abstract is missing.