International Journal of Mathematics and Mathematical Sciences 
Volume 2006 (2006), Article ID 92349, 4 pages
doi:10.1155/IJMMS/2006/92349

Biharmonic curves in Minkowski 3-space. Part II

Jun-Ichi Inoguchi

Department of Mathematics Education, Faculty of Education, Utsunomiya University, Utsunomiya 321-8505, Japan

Received 24 February 2006; Revised 9 May 2006; Accepted 21 May 2006

Abstract

We give a differential geometric characterization for biharmonic curves with null principal normal in Minkowski 3-space.