Polyharmonic maps into the Euclidean space
arXiv:1307.5089
Abstract
We study polyharmonic (k-harmonic) maps between Riemannian manifolds with finite j-energies (j=1, cdots, 2k-2). We show if the domain is complete and the target is the Euclidean space, then such a map is harmonic.
11 pages. arXiv admin note: text overlap with arXiv:1201.6457