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In this paper, we prove a class of weighted isoperimetric inequalities for bounded domains in hyperbolic space by using the isoperimetric inequality with log-convex density in Euclidean space. As a consequence, we remove the horo-convex…

Differential Geometry · Mathematics 2022-10-25 Haizhong Li , Botong Xu

The isoperimetric problem with a density or weighting seeks to enclose prescribed weighted area with minimum weighted perimeter. According to Chambers' recent proof of the Log Convex Density Conjecture, for many densities on $\mathbb{R}^n$…

Metric Geometry · Mathematics 2016-10-25 Leonardo Di Giosia , Jahangir Habib , Lea Kenigsberg , Dylanger Pittman , Weitao Zhu

We prove an isoperimetric inequalitie on the complex hyperbolic ball with Assumption \ref{assumption}}. As an application, we prove a contraction property for the holomorphic functions in Hardy and weighted Bergman spaces on the complex…

Complex Variables · Mathematics 2025-01-24 Xiaoshan Li , Guicong Su

We prove that geodesic balls centered at some base point are isoperimetric in the real hyperbolic space $H_{\mathbb R}^n$ endowed with a smooth, radial, strictly log-convex density on the volume and perimeter. This is an analogue of the…

Differential Geometry · Mathematics 2022-09-26 Lauro Silini

We prove the isodiametric inequality in the spherical and in the hyperbolic space

Metric Geometry · Mathematics 2019-06-04 Károly J. Böröczky , Ádám Sagmeister

We prove a hyperplane inequality for the surface area of projection bodies.

Metric Geometry · Mathematics 2012-04-27 Alexander Koldobsky

In this paper we study two different weighted isoperimetric inequalities. In the first part of the paper we prove a sharp stability result for the isoperimetric inequality with a log-convex weight. In the second part we analize the behavior…

Analysis of PDEs · Mathematics 2022-07-21 Nicola Fusco , Domenico Angelo La Manna

We prove an isoperimetric inequality for the uniform measure on a uniformly convex body and for a class of uniformly log-concave measures (that we introduce). These inequalities imply (up to universal constants) the log-Sobolev inequalities…

Probability · Mathematics 2008-02-01 Emanuel Milman , Sasha Sodin

We prove Ptolemaean Inequality and Ptolemaeus' Theorem in the closure complex hyperbolic plane endowed with the Cygan metric.

Metric Geometry · Mathematics 2023-04-18 Ioannis D. Platis , Nilgün Sönmez

We prove an inequality that extends to arbitrary measures the hyperplane inequality for volume of unconditional convex bodies originally observed by Bourgain.

Metric Geometry · Mathematics 2013-12-30 Alexander Koldobsky

We consider an analogous version of the diffusion-limited aggregation model defined on the hyperbolic plane. We prove that almost surely the aggregate viewed at time infinity will have a positive density.

Probability · Mathematics 2015-09-10 Ronen Eldan

We prove a stability version of the isodiametric inequality on the sphere and in the hyperbolic space.

Metric Geometry · Mathematics 2022-12-16 Károly J. Böröczky , Ádám Sagmeister

We prove that the isoperimetric inequalities in the euclidean and hyperbolic plane hold for all euclidean, respectively hyperbolic, cone-metrics on a disk with singularities of negative curvature. This is a discrete analog of the theorems…

Differential Geometry · Mathematics 2014-09-29 Ivan Izmestiev

In this paper, the notion of hyperbolic ellipsoids in hyperbolic space is introduced. Using a natural orthogonal projection from hyperbolic space to Euclidean space, we establish affine isoperimetric type inequalities for static convex…

Differential Geometry · Mathematics 2025-04-23 Yingxiang Hu , Haizhong Li , Yao Wan , Botong Xu

This paper contains a new concept to measure the width and thickness of a convex body in the hyperbolic plane. We compare the known concepts with the new one and prove some results on bodies of constant width, constant diameter and given…

Metric Geometry · Mathematics 2020-12-01 Ákos G. Horváth

We prove a quantitative isoperimetric inequality for the nearly spherical subset of the Bergman ball in $\mathbb{C}^n$. We prove the Fuglede theorem for such sets. This result is a counterpart of a similar result obtained for the hyperbolic…

Complex Variables · Mathematics 2026-02-10 David Kalaj

We prove the following theorem. Let $\mu$ be a measure on $R^n$ with even continuous density, and let $K,L$ be origin-symmetric convex bodies in $R^n$ so that $\mu(K\cap H)\le \mu(L\cap H)$ for any central hyperplane H. Then $\mu(K)\le…

Functional Analysis · Mathematics 2014-05-22 Alexander Koldobsky , Artem Zvavitch

In this paper, we use the inverse curvature flow to prove a sharp geometric inequality on star-shaped and two-convex hypersurface in hyperbolic space.

Differential Geometry · Mathematics 2017-05-02 Haizhong Li , Yong Wei , Changwei Xiong

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

We reinterpret the renormalized volume as the asymptotic difference of the isoperimetric profiles for convex co-compact hyperbolic 3-manifolds. By similar techniques we also prove a sharp Minkowski inequality for horospherically convex sets…

Differential Geometry · Mathematics 2023-02-28 Franco Vargas Pallete , Celso Viana
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