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Stationary maps into the sphere omitting a totally geodesic subsphere of codimension two
Proceedings of the American Mathematical Society ( IF 0.8 ) Pub Date : 2020-12-17 , DOI: 10.1090/proc/15248
Min Chen

Abstract:In this paper, we attempt to weaken the assumption of minimizing maps in Theorems 2, 3, 4 and Corollary 5 in [J. Differential Geom. 21 (1985), pp. 151-162]. We will prove these theorems still hold for stationary maps. We obtain the regularity for stationary maps (Theorems 1.1, 1.2). Since we can construct nonconstant stationary maps from $ \mathbb{R}^k$ to $ S^n$ which are bounded away from a totally geodesic subsphere of codimension two (Example 1.4), we need a stability assumption to establish a Liouville theorem for stationary maps. More generally, we deduce the Liouville theorem for stationary p-harmonic maps (Theorem 1.7).


中文翻译:

固定地图进入球面,省略了第二维的完全测地子球面

摘要:在本文中,我们试图削弱定理2,定理3,定理4和推论5中最小化映射的假设。微分几何。21(1985),第151-162页]。我们将证明这些定理对于平稳映射仍然成立。我们获得平稳映射的正则性(定理1.1、1.2)。由于我们可以构造一个非恒定的固定图,从该固定图出发,它与第二维的完全测地子球有界(示例1.4),因此我们需要一个稳定性假设来建立固定图的Liouville定理。更一般地,我们推导平稳p调和映射的Liouville定理(定理1.7)。 $ \ mathbb {R} ^ k $$ S ^ n $
更新日期:2021-01-11
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