Harmonic maps in unfashionable geometries
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We describe some general constructions on a real smooth projective 4-quadric which provide analogues of the Willmore functional and conformal Gauss map in Lie sphere and projective differential geometry. Extrema of these functionals are characterized by harmonicity of this Gauss map.
- Harmonic maps in unfashionable geometries
Volume 108, Issue 2 , pp 171-189
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- A1. Department of Mathematics, University of Bath, Bath BA2 7AY, UK. e-mail: firstname.lastname@example.org, GB
- A2. Department of Mathematics, TU Berlin, Strasse des 17. Juni 136, D-10623 Berlin, Germany. e-mail: email@example.com, DE