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The Dirichlet problem for harmonic maps from the disc into the 2-sphere

Published online by Cambridge University Press:  14 November 2011

Alain Soyeur
Affiliation:
Laboratoire d'Analyse Numérique, Université de Paris-Sud, 91405 Orsay Cedex, France

Synopsis

We consider the Dirichlet problem for harmonic maps from the disc D2 into the sphere S2, with prescribed boundary values γ:∂D2→S2, and we prove that if γ is not a rational function, one can find infinitely many nonhomotopic harmonic maps which agree with γon ∂D2.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1989

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