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arXiv 1306.4260math.DGmath.AP
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曲面Dirac-调和映射在自由边界的正则性

Regularity at the free boundary for Dirac-harmonic maps from surfaces

Ben Sharp, Miaomiao Zhu

摘要:

在非齐次Neumann和Dirichlet边界约束下,建立了一类具有反对称结构的临界椭圆方程组的正则性理论。作为应用,我们证明了自旋Riemann曲面上弱Dirac-调和映射在自由边界的完全正则性和光滑估计。我们的方法也导致全内部$ε$ -正则性和光滑估计的弱Dirac-harmonic映射在所有维度。

英文摘要:

We establish the regularity theory for certain critical elliptic systems with an anti-symmetric structure under inhomogeneous Neumann and Dirichlet boundary constraints. As applications, we prove full regularity and smooth estimates at the free boundary for weakly Dirac-harmonic maps from spin Riemann surfaces. Our methods also lead to the full interior $ε$-regularity and smooth estimates for weakly Dirac-harmonic maps in all dimensions.

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