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The dual Minkowski problem for even data asks what are the necessary and sufficient conditions on an even prescribed measure on the unit sphere for it to be the $q$-th dual curvature measure of an origin-symmetric convex body in…

Metric Geometry · Mathematics 2017-03-21 Károly Böröczky , Erwin Lutwak , Deane Yang , Gaoyong Zhang , Yiming Zhao

We derive sufficient conditions for an atomic measure $\sum_{\lambda \in \Lambda} m_\lambda\, \delta_\lambda,$ where $\Lambda \subset \mathbb R^n,$ $m_\lambda$ are positive integers, and $\delta_\lambda$ is the point measure at $\lambda,$…

Algebraic Geometry · Mathematics 2023-02-16 Wayne M. Lawton , August K. Tsikh

We further study the asymptotics of quantization errors for two classes of in-homogeneous self-similar measures $\mu$. We give a new sufficient condition for the upper quantization coefficient for $\mu$ to be finite. This, together with our…

Metric Geometry · Mathematics 2016-09-01 Sanguo Zhu

A central question in geometric measure theory is whether geometric properties of a set translate into analytical ones. In 1960, E. R. Reifenberg proved that if an $n$-dimensional subset $M$ of $\mathbb{R}^{n+k}$ is well approximated by…

Classical Analysis and ODEs · Mathematics 2016-05-26 Jessica Merhej

In this paper we characterize the so called uniformly rectifiable sets of David and Semmes in terms of the Wasserstein distance $W_2$ from optimal mass transport. To obtain this result, we first prove a localization theorem for the distance…

Classical Analysis and ODEs · Mathematics 2011-08-30 Xavier Tolsa

The paper introduces a general method to construct conformal measures for a local homeomorphism on a locally compact non-compact Hausdorff space, subject to mild irreducibility-like conditions. Among others the method is used to give…

Dynamical Systems · Mathematics 2019-02-20 Klaus Thomsen

We parameterize countable locally standard measure algebras by pairs of a Steinitz number and a real number greater or equal to 1. This is an analog of the theorems of J.Dixmier and A.A.Baranov.

Rings and Algebras · Mathematics 2022-11-01 Oksana Bezushchak , Bogdana Oliynyk

We establish general sufficient conditions for exact (and global) regularity in the $\bar\partial$-Neumann problem on $(p,q)$-forms, $0 \leq p \leq n$ and $1\leq q \leq n$, on a pseudoconvex domain $\Omega$ with smooth boundary $b\Omega$ in…

Complex Variables · Mathematics 2024-08-09 Tran Vu Khanh , Andrew Raich

Let $\Omega \subset \mathbb{R}^{n+1}$, $n \geq 1$, be an open and connected set. Set $\mathcal{T}_n$ to be the set of points $\xi \in \partial \Omega$ so that there exists an approximate tangent $n$-plane for $\partial\Omega$ at $\xi$ and…

Classical Analysis and ODEs · Mathematics 2021-03-10 Mihalis Mourgoglou

We present a necessary and sufficient condition for a Boolean algebra to carry a finitely additive measure.

Logic · Mathematics 2017-05-03 Thomas Jech

In this article, we establish necessary and sufficient viability conditions for continuity inclusions over the 1-Wasserstein space. Depending on the regularity properties of the dynamics, we derive two results which are based on fairly…

Analysis of PDEs · Mathematics 2025-11-26 Benoît Bonnet-Weill , Alberto Domínguez Corella , Hélène Frankowska

Let $\mu$ be a self-conformal measure on $\mathbb{R}^d$. In this note we establish conditions for $\mu$ under which $\dim(\mu*\nu) = \min\lbrace d,\dim\mu+\dim\nu\rbrace$ holds when $\nu$ is any Ahlfors-regular or self-conformal measure on…

Dynamical Systems · Mathematics 2025-11-19 Aleksi Pyörälä

We analyze the possible results of the most general measurement on two copies of a quantum state. We show that $\mu$ can label a set of outcomes of such measurement if and only if there is a family of completely co--positive (ccP) maps…

Quantum Physics · Physics 2009-04-24 Ariel Bendersky , Juan Pablo Paz , Marcelo Terra Cunha

We define rectifiability in $\mathbb{R}^{n}\times\mathbb{R}$ with a parabolic metric in terms of $C^1$ graphs and Lipschitz graphs with small Lipschitz constants and we characterize it in terms of approximate tangent planes and tangent…

Classical Analysis and ODEs · Mathematics 2021-10-11 Pertti Mattila

Let $E\subset \mathbb{R}^{n+1}$, $n\ge 1$, be a uniformly rectifiable set of dimension $n$. We show $E$ that has big pieces of boundaries of a class of domains which satisfy a 2-sided corkscrew condition, and whose connected components are…

Classical Analysis and ODEs · Mathematics 2015-05-08 Simon Bortz , Steve Hofmann

We carry out a comprehensive study of quantitative homogenization of second-order elliptic systems with bounded measurable coefficients that are almost-periodic in the sense of H. Weyl. We obtain uniform local $L^2$ estimates for the…

Analysis of PDEs · Mathematics 2016-03-17 Zhongwei Shen , Jinping Zhuge

For $n \geq 2$, we consider the operator $L_A = -\mathrm{div }(A(\cdot)\nabla)$, where $A$ is a uniformly elliptic $(n+1)\times(n+1)$ matrix with variable coefficients, a Radon measure $\mu$ on $\mathbb{R}^{n+1}$, and the associated…

Analysis of PDEs · Mathematics 2025-05-30 Andrea Merlo , Mihalis Mourgoglou , Carmelo Puliatti

We provide a sufficient condition for a measure on the real line to satisfy a modified logarithmic Sobolev inequality, thus extending the criterion of Bobkov and G\"{o}tze. Under mild assumptions the condition is also necessary.…

Probability · Mathematics 2007-05-23 Franck Barthe , Cyril Roberto

We consider random coefficient autoregressive models of infinite order (AR($\infty$)) under the assumption of non-negativity of the coefficients. We develop novel methods yielding sufficient or necessary conditions for finiteness of…

Probability · Mathematics 2024-09-17 Pascal Maillard , Olivier Wintenberger

While studying set function properties of Lebesgue measure, F. Barthe and M. Madiman proved that Lebesgue measure is fractionally superadditive on compact sets in $\mathbb{R}^n$. In doing this they proved a fractional generalization of the…

Metric Geometry · Mathematics 2024-05-31 Mark Meyer