id: 06084815 dt: j an: 06084815 au: Katz, Matthew J.; Lev-Tov, Nissan; Morgenstern, Gila ti: Conflict-free coloring of points on a line with respect to a set of intervals. so: Comput. Geom. 45, No. 9, 508-514 (2012). py: 2012 pu: Elsevier Science B.V. (North-Holland), Amsterdam la: EN cc: ut: conflict-free coloring; frequency assignment; approximation algorithms ci: li: doi:10.1016/j.comgeo.2012.01.013 ab: Summary: We present approximation algorithms for CF-coloring of points on a line with respect to a given set of intervals. For the restricted case where no two intervals have a common right endpoint, we present a 2-approximation algorithm, and, for the general case where intervals may share a right endpoint, we present a 4-approximation algorithm. The running time of both algorithms is $O(n \log n)$. rv: