Abstract
Regularity of extrinsic polyharmonic maps is proved with a method relying on the gradient flow for the underlying functional. This technique permits more general functionals than studied previously, but is restricted to energy minimizers.
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Moser, R. Regularity of minimizing extrinsic polyharmonic maps in the critical dimension. manuscripta math. 131, 475–485 (2010). https://doi.org/10.1007/s00229-010-0331-y
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DOI: https://doi.org/10.1007/s00229-010-0331-y