Abstract
The known Euler–Lagrange equation for (intrinsic) biharmonic maps is unsuitable for the study of some of the critical points of the corresponding functional, as it requires too much regularity. We derive and discuss a variant of the equation that does not have this shortcoming.
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Acknowledgements
P. Hornung is supported by the DFG through grant no. HO-4697/1-1. R. Moser is partially supported by the EPSRC through grant EP/F048769/1.
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Communicated by Jiaping Wang.
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Hornung, P., Moser, R. A Reformulation of the Biharmonic Map Equation. J Geom Anal 24, 1201–1210 (2014). https://doi.org/10.1007/s12220-012-9369-2
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DOI: https://doi.org/10.1007/s12220-012-9369-2