Feodor F. Dragan, Derek G. Corneil, Ekkehard Köhler, Yang Xiang. Additive Spanners for Circle Graphs and Polygonal Graphs. In Hajo Broersma, Thomas Erlebach, Tom Friedetzky, Daniël Paulusma, editors, Graph-Theoretic Concepts in Computer Science, 34th International Workshop, WG 2008, Durham, UK, June 30 - July 2, 2008. Revised Papers. Volume 5344 of Lecture Notes in Computer Science, pages 110-121, 2008. [doi]
Abstract is missing.