Energy concentration for almost harmonic maps and the Willmore functional |
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Authors: | Email author" target="_blank">Roger?MoserEmail author |
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Institution: | (1) Courant Institute, 251 Mercer Street , New York, NY 10012, USA |
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Abstract: | Let Ω be an open domain in ℝ3 or ℝ4 and N a smooth, compact Riemannian manifold. We consider the Dirichlet energy E(u) for maps u:Ω→N and its negative L2-gradient, the tension field τ(u). We study sequences of maps ui:Ω→N with
If the maps are sufficiently regular, we find strong H1-subconvergence away from a generalized submanifold in Ω. If the limit map is regular, too, we can estimate a Willmore-type energy of this generalized submanifold. |
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