Some notes on maximal arc intersection of spherical polygons: its ::::NP::::/mathcal{NP} -hardness and approximation algorithms

Yong-Jin Liu, Wen-Qi Zhang, Kai Tang. Some notes on maximal arc intersection of spherical polygons: its ::::NP::::/mathcal{NP} -hardness and approximation algorithms. The Visual Computer, 26(4):287-292, 2010. [doi]

Abstract

Abstract is missing.