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In this paper, we first introduce quermassintegrals for capillary hypersurfaces in the half-space. Then we solve the related isoperimetric type problems for the convex capillary hypersurfaces and obtain the corresponding Alexandrov-Fenchel…

Differential Geometry · Mathematics 2026-02-19 Guofang Wang , Liangjun Weng , Chao Xia

In this paper, we first introduce the quermassintegrals for convex hypersurfaces with capillary boundary in the unit Euclidean ball $\mathbb{B}^{n+1}$ and derive its first variational formula. Then by using a locally constrained nonlinear…

Differential Geometry · Mathematics 2026-02-19 Liangjun Weng , Chao Xia

In this paper, firstly, inspired by Nat\'{a}rio's recent work \cite{Na}, we use the isoperimetric inequality to derive some Alexandrov-Fenchel type inequalities for closed convex hypersurfaces in the hyperbolic space $\H^{n+1}$ and in the…

Differential Geometry · Mathematics 2016-01-20 Yong Wei , Changwei Xiong

In this paper, we provide an affirmative answer to [16, Conjecture 1.5] on the Alexandrov-Fenchel inequality for quermassintegrals for convex capillary hypersurfaces in the Euclidean half-space. More generally, we establish a theory for…

Metric Geometry · Mathematics 2025-05-27 Xinqun Mei , Guofang Wang , Liangjun Weng , Chao Xia

In this paper, we solve various isoperimetric problems for the quermassintegrals and the curvature integrals in the hyperbolic space $\H^n$, by using quermassintegral preserving curvature flows. As a byproduct, we obtain hyperbolic…

Differential Geometry · Mathematics 2017-05-30 Guofang Wang , Chao Xia

In this paper, the results of Mei, Wang, Weng and Xia [Math. Z., 2025, MR4911815] on capillary convex bodies are extended to the anisotropic setting. We develop a theory for anisotropic capillary convex bodies in the half-space and…

Differential Geometry · Mathematics 2025-07-08 Jinyu Gao , Guanghan Li

In this paper, we establish a broad class of new sharp Alexandrov-Fenchel inequalities involving general convex weight functions for static convex hypersurfaces in hyperbolic space. Additionally, we derive new weighted Minkowski-type…

Differential Geometry · Mathematics 2025-07-01 Jie Wu

In this article, we study a locally constrained mean curvature flow for star-shaped hypersurfaces with capillary boundary in the half-space. We prove its long-time existence and the global convergence to a spherical cap. Furthermore, the…

Differential Geometry · Mathematics 2026-02-19 Xinqun Mei , Guofang Wang , Liangjun Weng

In this paper, we prove a Heintze-Karcher type inequality for capillary hypersurfaces supported on various hypersurfaces in the hyperbolic space. The equality case only occurs on capillary totally umbilical hypersurfaces. Then we apply this…

Differential Geometry · Mathematics 2023-05-29 Yimin Chen , Juncheol Pyo

In this paper we first establish an optimal Sobolev type inequality for hypersurfaces in $\H^n$(see Theorem \ref{mainthm1}). As an application we obtain hyperbolic Alexandrov-Fenchel inequalities for curvature integrals and…

Differential Geometry · Mathematics 2013-04-05 Yuxin Ge , Guofang Wang , Jie Wu

In this paper we first introduce quermassintegrals for free boundary hypersurfaces in the $(n+1)$-dimensional Euclidean unit ball. Then we solve some related isoperimetric type problems for convex free boundary hypersurfaces, which lead to…

Differential Geometry · Mathematics 2022-03-01 Julian Scheuer , Guofang Wang , Chao Xia

In this article, we will use the harmonic mean curvature flow to prove a new class of Alexandrov-Fenchel type inequalities for strictly convex hypersurfaces in hyperbolic space in terms of total curvature, which is the integral of Gaussian…

Differential Geometry · Mathematics 2019-03-15 Ben Andrews , Yingxiang Hu , Haizhong Li

In this paper, we study the locally constrained inverse curvature flow for hypersurfaces in the half-space with $\theta$-capillary boundary, which was recently introduced by Wang-Weng-Xia. Assume that the initial hypersurface is strictly…

Differential Geometry · Mathematics 2025-08-28 Yingxiang Hu , Yong Wei , Bo Yang , Tailong Zhou

We consider the Gauss curvature type flow for uniformly convex hypersurfaces in the hyperbolic space $\mathbb{H}^{n+1}\ (n\geqslant 2)$. We prove that if the initial closed hypersurface is smooth and uniformly convex, then the smooth…

Differential Geometry · Mathematics 2024-01-19 Tianci Luo , Rong Zhou

In this paper, we study flows of hypersurfaces in hyperbolic space, and apply them to prove geometric inequalities. In the first part of the paper, we consider volume preserving flows by a family of curvature functions including positive…

Differential Geometry · Mathematics 2025-08-28 Ben Andrews , Xuzhong Chen , Yong Wei

In this paper, we derive new sharp weighted Alexandrov-Fenchel and Minkowski inequalities for smooth, closed hypersurfaces under various convexity assumptions in Euclidean, spherical, and hyperbolic spaces. These inequalities extend…

Differential Geometry · Mathematics 2026-04-14 Kwok-Kun Kwong , Yong Wei

In this paper, we prove a new Heintze-Karcher type inequality for shifted mean convex hypersurfaces in hyperbolic space. As applications, we prove an Alexandrov type theorem for closed embedded hypersurfaces with constant shifted $k$th mean…

Differential Geometry · Mathematics 2025-10-08 Yingxiang Hu , Yong Wei , Tailong Zhou

In this paper, we first study the locally constrained curvature flow of hypersurfaces in hyperbolic space, which was introduced by Brendle, Guan and Li [7]. This flow preserves the $m$th quermassintegral and decreases $(m+1)$th…

Differential Geometry · Mathematics 2023-08-11 Yingxiang Hu , Haizhong Li , Yong Wei

We consider a conjecture made by Ge, Wang and Wu regarding weighted Alexandrov-Fenchel inequalities for horospherically convex hypersurfaces in hyperbolic space (a bound, for some physically motivated weight function, of the weighted…

Differential Geometry · Mathematics 2019-06-25 Frederico Girão , Diego Pinheiro , Neilha M. Pinheiro , Diego Rodrigues

In this article, we study a locally constrained fully nonlinear curvature flow for convex capillary hypersurfaces in half-space. We prove that the flow preserves the convexity, exists for all time, and converges smoothly to a spherical cap.…

Analysis of PDEs · Mathematics 2025-02-20 Xinqun Mei , Liangjun Weng
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