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We consider a functional $\mathcal F$ on the space of convex bodies in $\R^n$ defined as follows: ${\mathcal F}(K)$ is the integral over the unit sphere of a fixed continuous functions $f$ with respect to the area measure of the convex body…

Metric Geometry · Mathematics 2012-09-11 Andrea Colesanti , Daniel Hug , Eugenia Saorin Gomez

The current work focuses on the Gaussian-Minkowski problem in dimension 2. In particular, we show that if the Gaussian surface area measure is proportional to the spherical Lebesgue measure, then the corresponding convex body has to be a…

Metric Geometry · Mathematics 2023-03-31 Shibing Chen , Shengnan Hu , Weiru Liu , Yiming Zhao

In this paper, the extended Musielak-Orlicz-Gauss image problem is studied. Such a problem aims to characterize the Musielak-Orlicz-Gauss image measure $\widetilde{C}_{G,\Psi,\lambda}(\Omega,\cdot)$ of convex body $\Omega$ in…

Differential Geometry · Mathematics 2022-04-18 Qi-Rui Li , Weimin Sheng , Deping Ye , Caihong Yi

In this paper, the $L_{p}$ chord Minkowski problem is concerned. Based on the results showed in \cite{HJ23}, we obtain a new existence result of solutions to this problem in terms of smooth measures by using a nonlocal Gauss curvature flow…

Analysis of PDEs · Mathematics 2024-08-13 Jinrong Hu , Yong Huang , Jian Lu , Sinan Wang

The physical consistency of the match of piecewise-$C^0$ metrics is discussed. The mathematical theory of gravitational discontinuity hypersurfaces is generalized to cover the match of regularly discontinuous metrics. The mean-value…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Gianluca Gemelli

Length spectral rigidity is the question of under what circumstances the geometry of a surface can be determined, up to isotopy, by knowing only the lengths of its closed geodesics. It is known that this can be done for negatively curved…

Metric Geometry · Mathematics 2012-07-27 Jeffrey Frazier

Let $C$ be a pointed closed convex cone in $\mathbb{R}^n$ with vertex at the origin $o$ and having nonempty interior. The set $A\subset C$ is $C$-coconvex if the volume of $A$ is finite and $A^{\bullet}=C\setminus A$ is a closed convex set.…

Metric Geometry · Mathematics 2022-04-05 Jin Yang , Deping Ye , Baocheng Zhu

We introduce a unified framework for analyzing Markov dynamics by linking nonequilibrium thermodynamics with information geometry. Using the symmetrized Kullback-Leibler divergence, we reveal an intrinsic Minkowski structure in the…

Statistical Mechanics · Physics 2025-05-08 David Andrieux

We propose a novel method for the description of spatial patterns formed by a coverage of point sets representing galaxy samples. This method is based on a complete family of morphological measures known as Minkowski functionals, which…

Astrophysics · Physics 2007-05-23 K. R. Mecke , T. Buchert , H. Wagner

This paper concerns the \textbf{abstract geometry of numbers}: namely the pursuit of certain aspects of geometry of numbers over a suitable class of normed domains. (The standard geometry of numbers is then viewed as geometry of numbers…

Number Theory · Mathematics 2014-05-12 Pete L. Clark

In this article, we consider the estimation of the marginal distributions for pairs of data are recorded, with unobserved order in each pair. New estimators are proposed and their asymptotic properties are established, by proving a…

Statistics Theory · Mathematics 2021-04-26 L. Dumitrescu , D. Harcourt

In this paper, the mixed Lp-surface area measures are defined and the mixed Lp Minkowski inequality is obtained consequently. Furthermore, the mixed Lp projection inequality for mixed projection bodies is established.

Metric Geometry · Mathematics 2020-07-30 Zhongwen Tang , Lin Si

In this paper, we leverage the properties of non-Euclidean Geometry to define the Geodesic distance (GD) on the space of statistical manifolds. The Geodesic distance is a real and intuitive similarity measure that is a good alternative to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Zakariae Abbad , Ahmed Drissi El Maliani , Said Ouatik El Alaoui , Mohammed El Hassouni

The $L_p$-Minkowski problem deals with the existence of closed convex hypersurfaces in $\mathbb{R}^{n+1}$ with prescribed $p$-area measures. It extends the classical Minkowski problem and embraces several important geometric and physical…

Analysis of PDEs · Mathematics 2022-03-11 Qiang Guang , Qi-Rui Li , Xu-Jia Wang

For appropriately values of $H$, we obtain an area estimate for a complete non-compact $H$-surface of finite topology and finite area, embedded in a three-manifold of negative curvature. Moreover, in the case of equality and under…

Differential Geometry · Mathematics 2017-06-29 Vanderson Lima

The rhythmic pumping motion of the heart stands as a cornerstone in life, as it circulates blood to the entire human body through a series of carefully timed contractions of the individual chambers. Changes in the size, shape and movement…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Kristine Sørensen , Paula Diez , Jan Margeta , Yasmin El Youssef , Michael Pham , Jonas Jalili Pedersen , Tobias Kühl , Ole de Backer , Klaus Kofoed , Oscar Camara , Rasmus Paulsen

We construct and investigate smooth orientable surfaces in su(N) algebras. The structural equations of surfaces associated with Grassmannian sigma models on Minkowski space are studied using moving frames adapted to the surfaces. The first…

Differential Geometry · Mathematics 2007-05-23 A. M. Grundland , L. Snobl

The Gromov-Hausdorff (GH) distance is traditionally used for measuring distances between metric spaces. It is defined as the minimal distortion of embedding one surface into the other, while the optimal correspondence can be described as…

Computational Geometry · Computer Science 2016-11-23 Gil Shamai , Ron Kimmel

In this paper, we can obtain curvature estimates for spacelike admissible graphic hypersurfaces in the $(n+1)$-dimensional Lorentz-Minkowski space $\mathbb{R}^{n+1}_{1}$, and through which the existence of spacelike admissible graphic…

Differential Geometry · Mathematics 2021-11-03 Ya Gao , Jie Li , Jing Mao , Zhiqi Xie

We study semilinear wave equations with Ginzburg-Landau type nonlinearities multiplied by a factor $\epsilon^{-2}$, where $\epsilon>0$ is a small parameter. We prove that for suitable initial data, solutions exhibit energy concentration…

Analysis of PDEs · Mathematics 2009-10-31 Robert L. Jerrard