%0 Journal Article %T DARBOUX ROTATION AXIS OF SPACELIKE BIHARMONIC HELICES WITH TIMELIKE NORMAL IN THE LORENTZIAN E(1,1) %A Talat K£¿rp£¿nar %A Essin Turhan %J Boletim da Sociedade Paranaense de Matem¨¢tica %D 2013 %I Sociedade Brasileira de Matem¨¢tica %X In this paper, we study Darboux rotation axis for spacelike biharmonichelices in the Lorentzian group of rigid motions E(1, 1). We obtain equation of Darboux vector of spacelike biharmonic helices in the Lorentzian E(1, 1). %K Words:Rigid motion %K Darboux rotation %K Bienergy. %U http://www.periodicos.uem.br/ojs/index.php/BSocParanMat/article/view/14872