{ "id": "1709.02329", "version": "v1", "published": "2017-09-07T16:10:31.000Z", "updated": "2017-09-07T16:10:31.000Z", "title": "On regularity theory for n/p-harmonic maps into manifolds", "authors": [ "Francesca Da Lio", "Armin Schikorra" ], "categories": [ "math.AP" ], "abstract": "In this paper we continue the investigation of the regularity of the so-called weak $\\frac{n}{p}$-harmonic maps in the critical case. These are critical points of the following nonlocal energy \\[ {\\mathcal{L}}_s(u)=\\int_{\\mathbb{R}^n}| ( {-\\Delta})^{\\frac{s}{2}} u(x)|^p dx\\,, \\] where $u\\in \\dot{H}^{s,p}(\\mathbb{R}^n,\\mathcal{N})$ and ${\\mathcal{N}}\\subset\\mathbb{R}^N$ is a closed $k$ dimensional smooth manifold and $s=\\frac{n}{p}$. We prove H\\\"older continuity for such critical points for $p \\leq 2$. For $p > 2$ we obtain the same under an additional Lorentz-space assumption. The regularity theory is in the two cases based on regularity results for nonlocal Schr\\\"odinger systems with an antisymmetric potential.", "revisions": [ { "version": "v1", "updated": "2017-09-07T16:10:31.000Z" } ], "analyses": { "subjects": [ "58E20", "35J20", "35B65", "35J60", "35S99" ], "keywords": [ "regularity theory", "n/p-harmonic maps", "critical points", "dimensional smooth manifold", "additional lorentz-space assumption" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }