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In 1970, Schneider introduced the $m$th order difference body of a convex body, and also established the $m$th-order Rogers-Shephard inequality. In this paper, we extend this idea to the projection body, centroid body, and radial mean…

Functional Analysis · Mathematics 2025-09-03 Julián Haddad , Dylan Langharst , Eli Putterman , Michael Roysdon , Deping Ye

For a convex body $K$ in $\mathbb R^n$, the inequalities of Rogers-Shephard and Zhang, written succinctly, are $$\text{vol}_n(DK)\leq \binom{2n}{n} \text{vol}_n(K) \leq \text{vol}_n(n\text{vol}_n(K)\Pi^\circ K).$$ Here, $DK=\{x\in\mathbb…

Functional Analysis · Mathematics 2024-06-11 Dylan Langharst , Eli Putterman , Michael Roysdon , Deping Ye

The Rogers-Shephard and Zhang's projection inequalities are two reverse, affine isoperimetric-type inequalities for convex bodies. Following a classical work by Schneider, both inequalities have been extended to the so-called $m$th-order…

Metric Geometry · Mathematics 2025-11-06 Dylan Langharst , Francisco Marín Sola , Jacopo Ulivelli

Schneider introduced an inter-dimensional difference body operator on convex bodies and proved an associated inequality. In the prequel to this work, we showed that this concept can be extended to a rich class of operators from convex…

Metric Geometry · Mathematics 2024-11-05 Julián Haddad , Dylan Langharst , Eli Putterman , Michael Roysdon , Deping Ye

The $L^p$-Brunn-Minkowski theory for $p\geq 1$, proposed by Firey and developed by Lutwak in the 90's, replaces the Minkowski addition of convex sets by its $L^p$ counterpart, in which the support functions are added in $L^p$-norm.…

Functional Analysis · Mathematics 2018-02-22 Alexander V. Kolesnikov , Emanuel Milman

The Lp-Brunn-Minkowski inequality palys a central role in the Brunn-Minkowski theory proposed by Firey [13] in 60's and developed by Lutwak [26,27] in 90's, which generalizes the classical Brunn-Minkowski inequality by Lp-sum of convex…

Analysis of PDEs · Mathematics 2022-08-08 Shi-Zhong Du

In 2011 Lutwak, Yang and Zhang extended the definition of the $L_p$-Minkowski convex combination ($p \geq 1$) introduced by Firey in the 1960s from convex bodies containing the origin in their interiors to all measurable subsets in…

Functional Analysis · Mathematics 2020-06-09 Michael Roysdon , Sudan Xing

The celebrated Petty's projection inequality is a sharp upper bound for the volume of the polar projection body of a convex body. Lutwak introduced the concept of mixed projection bodies and extended Petty's projection inequality.…

Functional Analysis · Mathematics 2026-01-06 Dylan Langharst

The difference body operator enjoys different characterization results relying on its basic properties such as continuity, SL(n)-covariance, Minkowski valuation or symmetric image. The Rogers-Shephard and the Brunn-Minkowski inequalities…

Metric Geometry · Mathematics 2016-02-03 Judit Abardia , Eugenia Saorín Gómez

The Orlicz-Brunn-Minkowski theory, introduced by Lutwak, Yang, and Zhang, is a new extension of the classical Brunn-Minkowski theory. It represents a generalization of the $L_p$-Brunn-Minkowski theory, analogous to the way that Orlicz…

Metric Geometry · Mathematics 2013-01-23 Richard J. Gardner , Daniel Hug , Wolfgang Weil

B\"or\"oczky, Lutwak, Yang and Zhang recently proved the log-Brunn-Minkowski inequality which is stronger than the classical Brunn-Minkowski inequality for two origin-symmetric convex bodies in the plane. This paper establishes the…

Differential Geometry · Mathematics 2018-10-16 Yunlong Yang , Deyan Zhang

Lutwak, Yang and Zhang \cite{LYZ2018} introduced the $L_p$ dual curvature measure that unifies several other geometric measures in dual Brunn-Minkowski theory and Brunn- Minkowski theory. Motivated by works in \cite{LYZ2018}, we consider…

Metric Geometry · Mathematics 2021-03-25 Hejun Wang , Jiazu Zhou

The concept of a Minkowski arrangement was introduced by Fejes T\'oth in 1965 as a family of centrally symmetric convex bodies with the property that no member of the family contains the center of any other member in its interior. This…

Metric Geometry · Mathematics 2021-12-14 Máté Kadlicskó , Zsolt Lángi

By studying $L^p$-combinations of strongly isomorphic polytopes, we prove the equivalence of the $L^p$-Brunn-Minkowski inequality conjectured by B\"or\"oczky, Lutwak, Yang and Zhang to the local version of the inequality studied by…

Differential Geometry · Mathematics 2019-10-16 Eli Putterman

The theory of coconvex bodies was formalized by A.~Khovanski{\u\i} and V.~Timorin in \cite{KT}. It has fascinating relations with the classical theory of convex bodies, as well as applications to Lorentzian geometry. In a recent preprint…

Metric Geometry · Mathematics 2017-11-15 François Fillastre

In this work, the $L_p$ version (for $p> 1$) of the dimensional Brunn-Minkowski inequality for the standard Gaussian measure $\gamma_n(\cdot)$ on $\mathbb{R}^n$ is shown. More precisely, we prove that for any $0$-symmetric convex sets with…

Metric Geometry · Mathematics 2025-03-06 Lidia Gordo Malagón , Jesús Yepes Nicolás

This paper is concerned with establishing uniform weighted $L^p$-$L^q$ estimates for a class of operators generalizing both Radon-like operators and sublevel set operators. Such estimates are shown to hold under general circumstances…

Classical Analysis and ODEs · Mathematics 2010-10-05 Philip T. Gressman

In 1998, R. Gardner and G. Zhang introduced the radial $p$th mean bodies $R_p K$ of a convex body $K$ in $\mathbb{R}^n$ for $p>-1$, which now play an important role in geometric tomography. In this work, we study the Fourier transforms of…

Metric Geometry · Mathematics 2026-01-29 Dylan Langharst , Auttawich Manui , Artem Zvavitch

\footnotesize B\"{o}r\"{o}czky, Lutwak, Yang and Zhang recently conjectured a certain strengthening of the Brunn-Minkowski inequality for symmetric convex bodies, the so-called log-Brunn-Minkowski inequality. We establish this inequality…

Functional Analysis · Mathematics 2014-07-31 Christos Saroglou

Let $\mu_p$ be the generalized Gaussian distribution on $\mathbb{R}^n$ with density $e^{-\frac{|x|^p}{p}}$ multiplied by a constant depending on $p\ge 1$ and $n$, and $\alpha_p(n)$ be the largest number such that the Brunn-Minkowski type…

Metric Geometry · Mathematics 2026-05-26 Ge Xiong , Kai-Wen Yang
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