The prescribed curvature problem for entire hypersurfaces in Minkowski space

The prescribed curvature problem for entire hypersurfaces in Minkowski space
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闵可夫斯基空间中整个超曲面的规定曲率问题

DOI:
10.2140/apde.2024.17.1
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发表时间:
2020-07
期刊:
影响因子:
2.2
通讯作者:
Ling Xiao
Ling Xiao
中科院分区:
数学1区
文献类型:
--
作者:
Change Ren;Zhizhang Wang;Ling Xiao

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本文证明了三个结果。首先,我们证明了对于C^2(\mathbb{S}^{n-1})中的函数$\varphi\和C^2(\mathbb{R}^{n+1}\times\mathbb{H}^{n})中的函数$\psi(X,\nu)\,存在唯一的、整的、严格凸的类空超曲面$M_u$,满足$\sigma_k(\kappa[M_u])=\psi(X,\nu)$和$u(x)\rightarrow| X| +\varphi\left(\frac{x}{|X|}\right)$ as $|X|\rightarrow\infty.$其次,当k=n-1,n-2,$时,证明了满足$\sigma_k(\kappa[M_u])=\psi(x,u(x))$和$u(x)\rightarrow的整k-凸类空超曲面$M_u$的存在唯一性|X| +\varphi\left(\frac{x}{|X|}\right)$ as $|X|\rightarrow\infty.$最后,我们得到了$\sigma_k$曲率流方程在无穷远处具有指定渐近行为的严格凸下平移孤子$M_u$的存在唯一性.此外,我们还证明了向下平移孤子的主曲率有界.
We prove three results in this paper. First, we prove for a wide class of functions $\varphi\in C^2(\mathbb{S}^{n-1})$ and $\psi(X, \nu)\in C^2(\mathbb{R}^{n+1}\times\mathbb{H}^n),$ there exists a unique, entire, strictly convex, spacelike hypersurface $M_u$ satisfying $\sigma_k(\kappa[M_u])=\psi(X, \nu)$ and $u(x)\rightarrow |x|+\varphi\left(\frac{x}{|x|}\right)$ as $|x|\rightarrow\infty.$ Second, when $k=n-1, n-2,$ we show the existence and uniqueness of entire, $k$-convex, spacelike hypersurface $M_u$ satisfying $\sigma_k(\kappa[M_u])=\psi(x, u(x))$ and $u(x)\rightarrow |x|+\varphi\left(\frac{x}{|x|}\right)$ as $|x|\rightarrow\infty.$ Last, we obtain the existence and uniqueness of entire, strictly convex, downward translating solitons $M_u$ with prescribed asymptotic behavior at infinity for $\sigma_k$ curvature flow equations. Moreover, we prove that the downward translating solitons $M_u$ have bounded principal curvatures.
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