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Let $\Lambda$ be a lattice in ${\bf R}^d$ with positive co-volume. Among $\Lambda$-periodic $N$-point configurations, we consider the minimal renormalized Riesz $s$-energy $\mathcal{E}_{s,\Lambda}(N)$. While the dominant term in the…

Mathematical Physics · Physics 2015-11-06 Douglas P. Hardin , Edward B. Saff , Brian Z. Simanek , Yujian Su

We survey known results and present estimates and conjectures for the next-order term in the asymptotics of the optimal logarithmic energy and Riesz $s$-energy of $N$ points on the unit sphere in $\mathbb{R}^{d+1}$, $d\geq 1$. The…

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

The Riesz $s$-energy of an $N$-point configuration in the Euclidean space $\mathbb{R}^{p}$ is defined as the sum of reciprocal $s$-powers of all mutual distances in this system. In the limit $s\to0$ the Riesz $s$-potential $1/r^s$ ($r$ the…

Mathematical Physics · Physics 2014-02-17 J. S. Brauchart

For a compact set A in Euclidean space we consider the asymptotic behavior of optimal (and near optimal) N-point configurations that minimize the Riesz s-energy (corresponding to the potential 1/t^s) over all N-point subsets of A, where…

Mathematical Physics · Physics 2007-05-23 D. P. Hardin , E. B. Saff

We introduce and study the unconstrained polarization (or Chebyshev) problem which requires to find an $N$-point configuration that maximizes the minimum value of its potential over a set $A$ in $p$-dimensional Euclidean space. This problem…

Classical Analysis and ODEs · Mathematics 2021-06-30 Douglas P. Hardin , Mircea Petrache , Edward B. Saff

We consider two sharp next-order asymptotics problems, namely the asymptotics for the minimum energy for optimal point configurations and the asymptotics for the many-marginals Optimal Transport, in both cases with Riesz costs with inverse…

Mathematical Physics · Physics 2019-04-02 Codina Cotar , Mircea Petrache

We obtain new asymptotic results about systems of $ N $ particles governed by Riesz interactions involving $ k $-nearest neighbors of each particle as $N\to\infty$. These results include a generalization to weighted Riesz potentials with…

Classical Analysis and ODEs · Mathematics 2023-03-21 Douglas P. Hardin , Edward B. Saff , Oleksandr Vlasiuk

We are concerned with a system governing the evolution of the pressureless compressible Euler equations with Riesz interaction and damping in $\mathbb{R}^{d}$ ($d\geq1$), where the interaction force is given by…

Analysis of PDEs · Mathematics 2024-07-01 Meiling Chi , Ling-Yun Shou , Jiang Xu

We define a notion of logarithmic, Coulomb and Riesz interactions in any dimension for random systems of infinite charged point configurations with a uniform background of opposite sign. We connect this interaction energy with the…

Mathematical Physics · Physics 2016-02-17 Thomas Leblé

We investigate the thermodynamic limit of the circular long-range Riesz gas, a system of particles interacting pairwise through an inverse power kernel. We show that after rescaling, so that the typical spacing of particles is of order $1$,…

Probability · Mathematics 2023-07-20 Jeanne Boursier

We derive the complete asymptotic expansion in terms of powers of $N$ for the geodesic $f$-energy of $N$ equally spaced points on a rectifiable simple closed curve $\Gamma$ in ${\mathbb R}^p$, $p\geq2$, as $N \to \infty$. For $f$ decreasing…

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

Motivated by a problem arising from Density Functional Theory, we provide the sharp next-order asymptotics for a class of multimarginal optimal transport problems with cost given by singular, long-range pairwise interaction potentials. More…

Mathematical Physics · Physics 2018-12-17 Codina Cotar , Mircea Petrache

We consider a model of D-dimensional tethered manifold interacting by excluded volume in R^d with a single point. By use of intrinsic distance geometry, we first provide a rigorous definition of the analytic continuation of its perturbative…

High Energy Physics - Theory · Physics 2007-05-23 F. David , B. Duplantier , E. Guitter

We investigate properties of minimal $N$-point Riesz $s$-energy on fractal sets of non-integer dimension, as well as asymptotic behavior of $N$-point configurations that minimize this energy. For $s$ bigger than the dimension of the set…

Classical Analysis and ODEs · Mathematics 2018-10-04 Alexander Reznikov , Oleksandr Vlasiuk

Given a compact $d$-rectifiable set $A$ embedded in Euclidean space and a distribution $\rho(x)$ with respect to $d$-dimensional Hausdorff measure on $A$, we address the following question: how can one generate optimal configurations of $N$…

Mathematical Physics · Physics 2007-05-23 S. V. Borodachov , D. P. Hardin , 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

We derive the complete asymptotic expansion in terms of powers of $N$ for the Riesz $s$-energy of $N$ equally spaced points on the unit circle as $N\to \infty$. For $s\ge -2$, such points form optimal energy $N$-point configurations with…

Mathematical Physics · Physics 2011-11-02 J. S. Brauchart , D. P. Hardin , E. B. Saff

We study the constrained minimum energy problem with an external field relative to the $\alpha$-Riesz kernel $|x-y|^{\alpha-n}$ of order $\alpha\in(0,n)$ for a generalized condenser $\mathbf A=(A_i)_{i\in I}$ in $\mathbb R^n$, $n\geqslant…

Classical Analysis and ODEs · Mathematics 2018-05-01 P. D. Dragnev , B. Fuglede , D. P. Hardin , E. B. Saff , N. Zorii

We investigate the asymptotic behavior of minimal $N$-point Riesz $s$-energy on fractal sets of non-integer dimension, with algebraically dependent contraction ratios. For $s$ bigger than the dimension of the set $A$, we prove the…

Classical Analysis and ODEs · Mathematics 2020-09-25 Austin Anderson , Alexander Reznikov

We consider the minimal energy problem on the unit sphere $\mathbb{S}^d$ in the Euclidean space $\mathbb{R}^{d+1}$ in the presence of an external field $Q$, where the energy arises from the Riesz potential $1/r^s$ (where $r$ is the…

Mathematical Physics · Physics 2015-12-24 Johann S. Brauchart , Peter D. Dragnev , Edward B. Saff
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