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The aim of the paper is to develop a unified algebraical approach to representing the Minkowski difference for convex polyhedra. Namely, there is proposed an exact analytical formulas of the Minkowski difference for convex polyhedra with…

最优化与控制 · 数学 2019-03-20 Z. R. Gabidullina

In the course of classifying generic sparse polynomial systems which are solvable in radicals, Esterov recently showed that the volume of the Minkowski sum $P_1+\dots+P_d$ of $d$-dimensional lattice polytopes is bounded from above by a…

度量几何 · 数学 2020-12-22 Gennadiy Averkov , Christopher Borger , Ivan Soprunov

We provide general estimates which compare the quermassintegrals of a convex body $K$ in ${\mathbb R}^n$ with the averages of the corresponding quermassintegrals of the $k$-codimensional sections of $K$ over $G_{n,n-k}$. An example is the…

度量几何 · 数学 2023-02-23 Dimitris-Marios Liakopoulos

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…

代数几何 · 数学 2017-04-05 Jian Xiao

This paper continues the study of Alexandrov-Fenchel inequalities for quermassintegrals for $k$-convex domains. It focuses on the application to the Michael-Simon type inequalities for $k$-curvature operators. The proof uses optimal…

微分几何 · 数学 2013-05-15 Yi Wang

We generalize the classical Minkowski integral inequality to the form involving general Banach function norms.

泛函分析 · 数学 2017-05-10 Filip Soudský

The Minkowski tensors are the natural tensor-valued generalizations of the intrinsic volumes of convex bodies. We prove two complete sets of integral geometric formulae, so called kinematic and Crofton formulae, for these Minkowski tensors.…

度量几何 · 数学 2017-12-29 Daniel Hug , Jan A. Weis

This article derives closed-form parametric formulas for the Minkowski sums of convex bodies in d-dimensional Euclidean space with boundaries that are smooth and have all positive sectional curvatures at every point. Under these conditions,…

度量几何 · 数学 2021-11-04 Sipu Ruan , Gregory S. Chirikjian

Building on work of Furstenberg and Tzkoni, we introduce ${\bf r}$-flag affine quermassintegrals and their dual versions. These quantities generalize affine and dual affine quermassintegrals as averages on flag manifolds (where the…

度量几何 · 数学 2025-02-19 Susanna Dann , Grigoris Paouris , Peter Pivovarov

Sumset estimates, which provide bounds on the cardinality of sumsets of finite sets in a group, form an essential part of the toolkit of additive combinatorics. In recent years, probabilistic or entropic analogs of many of these…

度量几何 · 数学 2022-06-06 Matthieu Fradelizi , Mokshay Madiman , Artem Zvavitch

We prove an isoperimetric-type inequality for maximal, spacelike submanifold in the Minkowski space. The argument is based on the recent work of Brendle.

微分几何 · 数学 2020-04-14 Chung-Jun Tsai , Kai-Hsiang Wang

In this paper we provide an extension to the Jellett-Minkowski's formula for immersed submanifolds into ambient manifolds which possesses a pole and radial curvatures bounded from above or below by the radial sectional curvatures of a…

微分几何 · 数学 2013-10-23 Vicent Gimeno

In this paper, we establish new an inequality of weighted Ostrowski-type for double integrals involving functions of two independent variables by using fairly elementary analysis.

经典分析与常微分方程 · 数学 2010-05-05 M. Z. Sarikaya , H. Ogunmez

The Brunn-Minkowski Theorem asserts that $\mu_d(A+B)^{1/d}\geq \mu_d(A)^{1/d}+\mu_d(B)^{1/d}$ for convex bodies $A,\,B\subseteq \R^d$, where $\mu_d$ denotes the $d$-dimensional Lebesgue measure. It is well-known that equality holds if and…

数论 · 数学 2013-11-19 G. A. Freiman , D. J. Grynkiewicz , O. Serra , Y. Stanchescu

In this paper we shall evaluate two alternating sums of binomial coefficients by a combinatorial argument. Moreover, by combining the same combinatorial idea with partition theoretic techniques, we provide $q$-analogues involving the…

数论 · 数学 2016-06-07 Mohamed El Bachraoui

In this paper, new versions of Chebyshev's, Minkowski's and Holder's type inequalities are studied by using a monotone measure-base universal integral on an arbitrary measurable space. This paper generalizes some previous results obtained…

泛函分析 · 数学 2013-04-16 Hamzeh Agahi

Firstly, we propose our conjectured Reverse-log-Brunn-Minkowski inequality (RLBM). Secondly, we show that the (RLBM) conjecture is equivalent to the log-Brunn-Minkowski (LBM) conjecture proposed by B\"or\"oczky-Lutwak-Yang-Zhang. We name…

度量几何 · 数学 2024-11-15 Dongmeng Xi

In this work we prove a Brunn-Minkowski-type inequality in the context of symplectic geometry and discuss some of its applications.

辛几何 · 数学 2007-12-27 Shiri Artstein-Avidan , Yaron Ostrover

In this note, we present a refinement of the well-known AM-GM inequality. We use this improved inequalty to establish corresponding inequalities on Hilbert space. We also give some refinements of the Kantorovich inequality.

泛函分析 · 数学 2021-11-08 Mehdi Eghbali Amlashi , Mahmoud Hassani

The Alexandrov-Fenchel inequality, a far-reaching generalization of the classical isoperimetric inequality to arbitrary mixed volumes, lies at the heart of convex geometry. The characterization of its extremal bodies is a long-standing open…

度量几何 · 数学 2022-02-04 Yair Shenfeld , Ramon van Handel