Minimizers of convex functionals with small degeneracy set

Minimizers of convex functionals with small degeneracy set
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DOI:
10.1007/s00526-020-1723-9
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发表时间:
2019-03
影响因子:
2.1
通讯作者:
Connor Mooney
Connor Mooney
中科院分区:
数学2区
文献类型:
--
作者:
Connor Mooney

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我们研究了当f是严格凸时,是否存在Lipschitz极小值的问题。在De Silva-Savin的工作基础上,我们证实了正则性,当它是正的,并且离一个平面上的有限多个点有界时。然后我们构造了一个反例,其中f是严格凸的,但在Clifford环面上退化。最后,我们强调了这种情况与经典微分几何中Alexandrov的结果之间的联系,并对这种情况提出了一个猜想。
We study the question whether Lipschitz minimizers ofinarewhenFis strictly convex. Building on work of De Silva–Savin, we confirm theregularity whenis positive and bounded away from finitely many points that lie in a 2-plane. We then construct a counterexample in, whereFis strictly convex butdegenerates on the Clifford torus. Finally we highlight a connection between the caseand a result of Alexandrov in classical differential geometry, and we make a conjecture about this case.