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Using Fourier analysis, we derive Wirtinger-type inequalities of arbitrary high order. As applications, we prove various sharp geometric inequalities for closed curves on the Euclidean plane. In particular, we obtain both sharp lower and…

Differential Geometry · Mathematics 2020-08-18 Kwok-Kun Kwong , Hojoo Lee

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

We use Brunn-Minkowski inequalities for quermassintegrals to deduce a family of inequalities of Poincar\'e type on the unit sphere and on the boundary of smooth convex bodies in the $n$-dimensional Euclidean space.

Functional Analysis · Mathematics 2008-04-25 Andrea Colesanti , Eugenia Saorin-Gomez

We prove second and fourth order improved Poincar\'e type inequalities on the hyperbolic space involving Hardy-type remainder terms. Since theirs l.h.s. only involve the radial part of the gradient or of the laplacian, they can be seen as…

Functional Analysis · Mathematics 2020-08-31 Elvise Berchio , Debdip Ganguly , Prasun Roychowdhury

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

We provide a simple unified approach to obtain (i) Discrete polygonal isoperimetric type inequalities of arbitrary high order. (ii) Arbitrary high order isoperimetric type inequalities for smooth curves, where both upper and lower bounds…

Classical Analysis and ODEs · Mathematics 2023-12-27 Kwok-Kun Kwong

In this paper, we first investigate weighted Minkowski type inequalities for nearly spherical sets in space forms, focusing on the sets that are $C^1$-close to geodesic spheres. Our results generalize the work of \cite{G22} by incorporating…

Differential Geometry · Mathematics 2026-04-29 Weimin Sheng , Yinhang Wang

We establish some important inequalities under a lower weighted Ricci curvature bound on Finsler manifolds. Firstly, we establish a relative volume comparison of Bishop-Gromov type. As one of the applications, we obtain an upper bound for…

Differential Geometry · Mathematics 2021-07-16 Xinyue Cheng , Zhongmin Shen

We present an argument which leads from the Brunn-Minkowski inequality to a Poincare' type inequality on the boundary of convex bodies with smooth boundary and positive Gauss curvature

Functional Analysis · Mathematics 2007-05-23 Andrea Colesanti

The classical Minkowski inequality in the Euclidean space provides a lower bound on the total mean curvature of a hypersurface in terms of the surface area, which is optimal on round spheres. In this paper we employ a locally constrained…

Differential Geometry · Mathematics 2022-03-01 Julian Scheuer

We prove a Poincare type inequality for differential forms on compact manifolds by means of a constructive 'globalization' of a local Poincare inequality on convex sets.

Differential Geometry · Mathematics 2010-10-19 Leonid Shartser

We prove a Minkowski type inequality for weakly mean convex and star-shaped hypersurfaces in warped cylinders which are asymptotically flat or hyperbolic. In particular, we show that this sharp inequality holds for outward minimizing…

Differential Geometry · Mathematics 2024-09-17 Shujing Pan , Bo Yang

In this short note, we provide a quantitative global Poincar\'e inequality for one forms on a closed Riemannian four manifold, in terms of an upper bound on the diameter, a positive lower bound on the volume, and a two-sided bound on Ricci…

Differential Geometry · Mathematics 2024-12-20 Shouhei Honda , Andrea Mondino

In this article, under mild constraints on the sectional curvature, we exploit a divergence formula for symmetric endomorphisms to deduce a general Poincar\'e type inequality. We apply such inequality to higher-order mean curvature of…

Differential Geometry · Mathematics 2023-06-02 Hilário Alencar , Márcio Batista , Gregório Silva Neto

The paper deals about Hardy-type inequalities associated with the following higher order Poincar\'e inequality: $$ \left( \frac{N-1}{2} \right)^{2(k -l)} := \inf_{ u \in C_{c}^{\infty} \setminus \{0\}} \frac{\int_{\mathbb{H}^{N}}…

Classical Analysis and ODEs · Mathematics 2015-11-03 Elvise Berchio , Debdip Ganguly

The classical Minkowski formula is extended to spacelike codimension-two submanifolds in spacetimes which admit "hidden symmetry" from conformal Killing-Yano two-forms. As an application, we obtain an Alexandrov type theorem for spacelike…

Differential Geometry · Mathematics 2016-07-05 Mu-Tao Wang , Ye-Kai Wang , Xiangwen Zhang

Given a smooth positive function $f$ defined on the unit circle satisfying a simple condition, we obtain a Poincar\'{e}-type inequality for an arbitrary function $u$ whose weighted average with respect to $f$ is zero. The proof uses…

Differential Geometry · Mathematics 2015-12-29 Nan Ye , Xiang Ma

Using spinorial techniques, we prove, for a class of pseudo-hyperbolic ambient manifolds, a Heintze-Karcher type inequality. We then use this inequality to show an Alexandrov type theorem in such spaces.

Differential Geometry · Mathematics 2018-06-05 Frederico Girão , Diego Rodrigues

We introduce higher-order Poincar'e constants for compact weighted manifolds and estimate them from above in terms of subsets. These estimates imply upper bounds for eigenvalues of the weighted Laplacian and the first nontrivial eigenvalue…

Differential Geometry · Mathematics 2019-11-18 Kei Funano , Yohei Sakurai

We derive a number of sharp upper bounds for the deficit in the Alexandrov-Fenchel inequality using a weighted Minkowski integral formula and an integral formula for the deficit in Jensen's inequality. Our estimates yield results under…

Differential Geometry · Mathematics 2025-03-21 Kwok-Kun Kwong , Yong Wei
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