Removability of singularities of harmonic maps into pseudo-Riemannian manifolds
Résumé
We consider harmonic maps into pseudo-Riemannian manifolds. We show the removability of isolatedsingularities for continuous maps, i.e. that any continuous map from an open subset of R^m into apseudo-Riemannian manifold which is two times continuously differentiable and harmonic everywhere outside anisolated point is actually smooth harmonic everywhere.
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