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We analyze aspects of the behavior of the family of inner parallel bodies of a convex body for the isoperimetric quotient and deficit of arbitrary quermassintegrals. By means of technical boundary properties of the so-called form body of a…

Metric Geometry · Mathematics 2019-10-15 María A. Hernández Cifre , Eugenia Saorín Gómez

We settle the case of equality for the relative isoperimetric inequality outside any arbitrary convex set with not empty interior.

Differential Geometry · Mathematics 2021-04-01 Nicola Fusco , Massimiliano Morini

This paper establishes two new geometric inequalities in the dual Brunn-Minkowski theory. The first, originally conjectured by Lutwak, is the Brunn-Minkowski inequality for dual quermassintegrals of origin-symmetric convex bodies. The…

Metric Geometry · Mathematics 2025-05-30 Shay Sadovsky , Gaoyong Zhang

The famous Minkowski inequality provides a sharp lower bound for the mixed volume $V(K,M[n-1])$ of two convex bodies $K,M\subset\mathbb{R}^n$ in terms of powers of the volumes of the individual bodies $K$ and $M$. The special case where $K$…

Metric Geometry · Mathematics 2020-12-04 Daniel Hug , Károly Böröczky

In this paper we establish Minkowski inequality and Brunn--Minkowski inequality for $p$-quermassintegral differences of convex bodies. Further, we give Minkowski inequality and Brunn--Minkowski inequality for quermassintegral differences of…

Metric Geometry · Mathematics 2007-05-23 Zhao Changjian , Wingsum Cheung

The isoperimetric quotient of the whole family of inner and outer parallel bodies of a convex body is shown to be decreasing in the parameter of definition of parallel bodies, along with a characterization of those convex bodies for which…

Metric Geometry · Mathematics 2020-04-01 Christian Richter , Eugenia Saorín Gómez

In this paper, we present sharp stability results for various reverse isoperimetric problems in $\mathbb R^2$. Specifically, we prove the stability of the reverse isoperimetric inequality for $\lambda$-convex bodies -- convex bodies with…

Differential Geometry · Mathematics 2026-01-07 Kostiantyn Drach , Kateryna Tatarko

We give a B\'ezout type inequality for mixed volumes, which holds true for any convex bodies. The key ingredient is the reverse Khovanskii-Teissier inequality for convex bodies, which was obtained in our previous work and inspired by its…

Algebraic Geometry · Mathematics 2017-04-05 Jian Xiao

In this paper we investigate the reverse isoperimetric inequality with respect to the Gaussian measure for convex sets in $\mathbb{R}^{2}$. While the isoperimetric problem for the Gaussian measure is well understood, many relevant aspects…

Analysis of PDEs · Mathematics 2025-03-28 Friedemann Brock , Francesco Chiacchio

A $\lambda$-convex body in a three-dimensional space form $M^3(c)$ of constant curvature $c$ is a compact convex set $K$ whose boundary $\partial K$ has normal curvatures bounded below by a constant $\lambda>0$ (in a weak sense). Within…

Differential Geometry · Mathematics 2026-03-10 Kostiantyn Drach , Gil Solanes , Kateryna Tatarko

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 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

We introduce complex intersection bodies and show that their properties and applications are similar to those of their real counterparts. In particular, we generalize Busemann's theorem to the complex case by proving that complex…

Functional Analysis · Mathematics 2014-02-26 A. Koldobsky , G. Paouris , M. Zymonopoulou

We establish a family of parametric isoperimetric-type inequalities with multiple geometric quantities for closed convex curves. These inequalities hold under certain parameter conditions. We also prove the equality conditions. Some new…

Differential Geometry · Mathematics 2026-05-28 Heran Zhao

In an earlier paper \cite{mazeng} the authors introduced the notion of curvature entropy, and proved the plane log-Minkowski inequality of curvature entropy under the symmetry assumption. In this paper we demonstrate the plane log-Minkowski…

Metric Geometry · Mathematics 2022-11-29 Chunna Zeng , Xu Dong , Yaling Wang , Lei Ma

In this paper, we establish a generalised Blaschke-Santal\`o inequality for convex bodies in $\mathbb R^{n+1}$. This inequality gives an upper bound estimate for the product of dual quermassintegrals of convex body and its polar set. Our…

Analysis of PDEs · Mathematics 2018-08-08 Haodi Chen

We prove new versions of the isomorphic Busemann-Petty problem for two different measures and show how these results can be used to recover slicing and distance inequalities. We also prove a sharp upper estimate for the outer volume ratio…

Functional Analysis · Mathematics 2019-12-03 Alexander Koldobsky , Grigoris Paouris , Artem Zvavitch

We prove a relative isoperimetric inequality in the plane, when the perimeter is defined with respect to a convex, positively homogeneous function of degree one, and characterize the minimizers.

Analysis of PDEs · Mathematics 2014-01-28 Francesco Della Pietra , Nunzia Gavitone

In this paper, we study a reverse isoperimetric inequality for planar convex bodies whose radius of curvature is between two positive numbers 0 < $\alpha$ < $\beta$, called ($\alpha$, $\beta$)--convex bodies. We show that among planar…

Optimization and Control · Mathematics 2022-03-10 Gisella Croce , Zakaria Fattah , Giovanni Pisante

We prove a quantitative version of the isoperimetric inequality for a non local perimeter of Minkowski type. We also apply this result to study isoperimetric problems with repulsive interaction terms, under convexity constraints. We show…

Analysis of PDEs · Mathematics 2017-09-26 Annalisa Cesaroni , Matteo Novaga
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