JMAT_V2_N1_RP3 Handan Öztekin Serpil Tatlipinar Journal on Mathematics 2277-5137 2 1 21 26 Nonnull Slant Helices, Lorentzian 5-Space In this paper, necessary and sufficent conditions for nonnull slant helices in Lorentzian space are investigated. Making use of known properities of such curves, different characterizations are obtained as depend on curvatures of these helices in Lorentzian space R15 . January - March 2013 Copyright © 2013 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=2160