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In our investigation, we focus on the reverse Riesz transform within the framework of manifolds with ends. Such manifolds can be described as the connected sum of finite number of Cartesian products $\mathbb{R}^{n_i} \times \mathcal{M}_i$,…

Analysis of PDEs · Mathematics 2024-11-27 Dangyang He

We investigate the minimal Riesz s-energy problem for positive measures on the d-dimensional unit sphere S^d in the presence of an external field induced by a point charge, and more generally by a line charge. The model interaction is that…

Mathematical Physics · Physics 2014-02-17 J. S. Brauchart , P. D. Dragnev , E. B. Saff

In this paper we study the Riesz transform on complete and connected Riemannian manifolds $M$ with a certain spectral gap in the $L^2$ spectrum of the Laplacian. We show that on such manifolds the Riesz transform is $L^p$ bounded for all $p…

Spectral Theory · Mathematics 2010-05-18 Lizhen Ji , Peer Kunstmann , Andreas Weber

In this article, the weak-strong uniqueness principle is proved for an Euler-Poisson system in the whole space, with initial data so that the strong solution exists. Some results on Riesz potentials are used to justify the considered weak…

Analysis of PDEs · Mathematics 2024-04-16 Nuno J. Alves

We consider the minimum Riesz $s$-energy problem on the unit disk $\mathbb D:=\{(x_1,\ldots,x_d)\in\mathbb R^d: x_1=0, x_2^2+x_3^2+\ldots+x_d^2\leq 1\}$ in the Euclidean space $\mathbb R^d$, $d\geq 3$, immersed into a smooth rotationally…

Classical Analysis and ODEs · Mathematics 2016-10-27 Mykhailo Bilogliadov

We show a perturbation result for the boundedness of the Riesz transform : if $M$ and $M_0$ are complete Riemannian manifolds satisfying a Sobolev inequality of dimension $n$, which are isometric outside a compact set, and if the Riesz…

Analysis of PDEs · Mathematics 2013-04-11 Baptiste Devyver

We are interested in inequalities that bound the Riesz means of the eigenvalues of the Dirichlet and Neumann Laplacians in terms of their semiclassical counterpart. We show that the classical inequalities of Berezin-Li-Yau and Kr\"oger,…

Spectral Theory · Mathematics 2025-10-16 Rupert L. Frank , Simon Larson

For $s\geqslant d$, we obtain the leading term as $N\to \infty$ of the maximal weighted $N$-point Riesz $s$-polarization (or Chebyshev constant) for a certain class of $d$-rectifiable compact subsets of $\mathbb{R}^p$. This class includes…

Classical Analysis and ODEs · Mathematics 2017-03-02 S. V. Borodachov , D. P. Hardin , A. Reznikov , E. B. Saff

In this work we investigate greedy energy sequences on the unit circle for the logarithmic and Riesz potentials. By definition, if $(a_n)_{n=0}^{\infty}$ is a greedy $s$-energy sequence on the unit circle, the Riesz potential…

Classical Analysis and ODEs · Mathematics 2023-08-30 Abey López-García , Ryan E. McCleary

On compact Riemannian manifolds, we prove a decomposition theorem for arbitrarily bounded energy sequence of solutions of a singular elliptic equation.

Analysis of PDEs · Mathematics 2017-01-03 Youssef Maliki , Fatima Zohra Terki

This paper addresses the asymptotics of functionals with linear growth depending on the Riesz $s$-fractional gradient on piecewise constant functions. We consider a general class of varying energy densities and, as $s\to 1$, we characterize…

Analysis of PDEs · Mathematics 2025-10-07 Stefano Almi , Maicol Caponi , Manuel Friedrich , Francesco Solombrino

We study $N$-particle systems in R^d whose interactions are governed by a hypersingular Riesz potential $|x-y|^{-s}$, $s>d$, and subject to an external field. We provide both macroscopic results as well as microscopic results in the limit…

Mathematical Physics · Physics 2017-11-09 Douglas P. Hardin , Thomas Leblé , Edward B. Saff , Sylvia Serfaty

We derive the exact expansion, to $O(r_s)$, of the energy of the high-density spin-polarized two-dimensional uniform electron gas, where $r_s$ is the Seitz radius.

Strongly Correlated Electrons · Physics 2011-06-09 Pierre-François Loos , Peter M. W. Gill

In this paper we consider a complete connected noncompact Riemannian manifold M with bounded geometry and spectral gap. We prove that the imaginary powers of the Laplacian and the Riesz transform are bounded from the Hardy space X^1(M),…

Functional Analysis · Mathematics 2013-05-31 G. Mauceri , S. Meda , M. Vallarino

We study the asymptotic equidistribution of points near arbitrary compact sets of positive capacity in $\R^d,\ d\ge 2$. Our main tools are the energy estimates for Riesz potentials. We also consider the quantitative aspects of this…

Classical Analysis and ODEs · Mathematics 2013-07-24 Igor E. Pritsker

For a finite collection $\mathbf A=(A_i)_{i\in I}$ of locally closed sets in $\mathbb R^n$, $n\geqslant3$, with the sign $\pm1$ prescribed such that the oppositely charged plates are mutually disjoint, we consider the minimum energy problem…

Classical Analysis and ODEs · Mathematics 2018-02-21 Bent Fuglede , Natalia Zorii

In this work we employ the relative energy method to obtain a weak-strong uniqueness principle for a Euler-Riesz system, as well as to establish its convergence in the high-friction limit towards a gradient flow equation. The main technical…

Analysis of PDEs · Mathematics 2024-07-09 Nuno J. Alves , José A. Carrillo , Young-Pil Choi

We establish sharp pointwise inequalities for the Riesz potential and its gradient in $\mathbb{R}^{n}$ and indicate their usefulness for potential analysis, moment theory and other applications.

Functional Analysis · Mathematics 2023-12-06 Vladimir G. Tkachev

Properties of Riesz capacity are developed with respect to the kernel exponent $p \in (-\infty,n)$, namely that capacity is monotonic as a function of $p$, that its endpoint limits recover the diameter and volume of the set, and that…

Classical Analysis and ODEs · Mathematics 2024-06-18 Carrie Clark , Richard S. Laugesen

In this paper, our focus lies on a fundamental geometric invariant known as Riesz capacity, which holds an essential position in potential theory. We establish the Hadamard variational formula for Riesz capacity of convex bodies. As a…

Analysis of PDEs · Mathematics 2024-04-08 Lu Zhang