Harmonic maps in unfashionable geometries
Differential Geometry
2007-05-23 v1
Abstract
We describe some general constructions on a real smooth projective 4-quadric which provide analogues of the Willmore functional and conformal Gauss map in both Lie sphere and projective differential geometry. Extrema of these functionals are characterized by harmonicity of this Gauss map.
Cite
@article{arxiv.math/0103162,
title = {Harmonic maps in unfashionable geometries},
author = {F. E. Burstall and U. Hertrich-Jeromin},
journal= {arXiv preprint arXiv:math/0103162},
year = {2007}
}
Comments
plain TeX, uses bbmsl for blackboard bold, 20 pages