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arXiv 1907.01701math.AP
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Heisenberg群中的水平凸包络及其在次椭圆型方程中的应用

Horizontal convex envelope in the Heisenberg group and applications to sub-elliptic equations

Qing Liu, Xiaodan Zhou

摘要:

本文在Heisenberg群中自然地引入了连续函数的水平凸包络的概念。我们提供了一个凸化过程,以建设性的方式找到信封。利用凸化过程证明了Heisenberg群中满足一定对称条件的一类完全非线性椭圆型方程黏性解的h-凸性。我们的例子表明,在一般情况下,不能期望没有对称性条件的解决方案的h-凸性。

英文摘要:

This paper introduces in a natural way a notion of horizontal convex envelopes of continuous functions in the Heisenberg group. We provide a convexification process to find the envelope in a constructive manner. We also apply the convexification process to show h-convexity of viscosity solutions to a class of fully nonlinear elliptic equations in the Heisenberg group satisfying a certain symmetry condition. Our examples show that in general one cannot expect h-convexity of solutions without the symmetry condition.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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