A geometric theory of harmonic and semi-
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Anders Kock
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Article
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2004
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SP Versita
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English
โ 283 KB
We describe for any Riemannian manifold M a certain scheme M L , lying in between the first and second neighbourhood of the diagonal of M . Semi-conformal maps between Riemannian manifolds are then analyzed as those maps that preserve M L ; harmonic maps are analyzed as those that preserve the (Levi