International Journal of Mathematics and Mathematical Sciences
Volume 27 (2001), Issue 8, Pages 477-484
doi:10.1155/S0161171201006731

Biharmonic maps on V-manifolds

Yuan-Jen Chiang1 and Hongan Sun2

1Department of Mathematics, Mary Washington College, Fredericksburg 22401, VA, USA
2Southern Institute of Metallurgy, Jiangxi, Ganzou, China

Abstract

We generalize biharmonic maps between Riemannian manifolds into the case of the domain being V-manifolds. We obtain the first and second variations of biharmonic maps on V-manifolds. Since a biharmonic map from a compact V-manifold into a Riemannian manifold of nonpositive curvature is harmonic, we construct a biharmonic non-harmonic map into a sphere. We also show that under certain condition the biharmonic property of f implies the harmonic property of f. We finally discuss the composition of biharmonic maps on V-manifolds.