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We study small points for the Arakelov height on the projective line. First, we identify the smallest positive value taken by the Arakelov height, and we characterize all cases of equality. Next we solve several archimedean energy…

Number Theory · Mathematics 2015-07-08 Paul Fili , Clayton Petsche , Igor Pritsker

Let $K$ be a complete, algebraically closed, non-Archimedean valued field, and let $\phi\in K(z)$ with $\textrm{deg}(\phi) \geq 2$. In this paper we consider the family of functions $\textrm{ordRes}_{\phi^n}(x)$, which measure the resultant…

Dynamical Systems · Mathematics 2017-05-01 Kenneth Jacobs

We consider the approximation of minimal geodesics between two closed sets in $\mathbb{R}^D$ endowed with a smooth Riemannian metric. The continuous problem is formulated as the minimization of the energy functional over piecewise smooth…

Numerical Analysis · Mathematics 2026-04-28 Akira Kitaoka

Let $E$ be an elliptic curve over an algebraically closed, complete, non-archimedean field $K$, and let ${\mathsf E}$ denote the Berkovich analytic space associated to $E/K$. We study the $\mu$-equidistribution of finite subsets of $E(K)$,…

Number Theory · Mathematics 2009-04-15 Clayton Petsche

The present paper is an attempt to demonstrate how the energy minimization principle may be considered as a governing rule for the physical equilibrium that determines the flow fields in tubes and networks. We previously investigated this…

Fluid Dynamics · Physics 2014-12-05 Taha Sochi

This note contains an elementary discussion of the Arakelov intersection theory of elliptic curves. The main new results are a projection formula for elliptic arithmetic surfaces and a formula for the "energy" of an isogeny between Riemann…

Number Theory · Mathematics 2012-03-28 Robin de Jong

Arakelov-Green functions defined on metrized graphs have important role in relating arithmetical problems on algebraic curves into graph theoretical problems. In this paper, we clarify the combinatorial interpretation of certain…

Number Theory · Mathematics 2015-11-03 Zubeyir Cinkir

The stretch energy is a fully nonlinear energy functional that has been applied to the numerical computation of area-preserving mappings. However, this approach lacks theoretical support and the analysis is complicated due to the full…

Numerical Analysis · Mathematics 2022-05-31 Mei-Heng Yueh

We demonstrate a method for exact determination of the quadratic curve of minimal energy and minimal curvature variation through three non-colinear points in the plane, including methods to determine the tangent vector and curvature at any…

Numerical Analysis · Mathematics 2010-10-25 Steven Benoit

This text is an exposition of non-Archimedean curves and Schottky uniformization from the point of view of Berkovich geometry. It consists of two parts, the first one of an introductory nature, and the second one more advanced. The first…

Algebraic Geometry · Mathematics 2020-10-20 Jérôme Poineau , Daniele Turchetti

Let $G$ be a graph with $n$ vertices and $m$ edges. The energy $E$ of the graph $G$ is defined as the sum of the moduli of the adjacency eigenvalues $\lambda_{1} \geq \lambda_{2} \geq \ldots \geq \lambda_{n}$ of $G$: $$…

Combinatorics · Mathematics 2014-09-04 Felix Goldberg

We prove short-time existence for the negative $L^2$-gradient flow of the $p$-elastic energy of curves via a minimising movement scheme. In order to account for the degeneracy caused by the energy's invariance under curve…

Analysis of PDEs · Mathematics 2021-01-26 Simon Blatt , Nicole Vorderobermeier , Christopher Hopper

We prove that in a class of non-equiregular sub-Riemannian manifolds corners are not length minimizing. This extends the results [4]. As an application of our main result we complete and simplify the analysis in [6], showing that in a…

Optimization and Control · Mathematics 2014-03-11 Enrico Le Donne , Gian Paolo Leonardi , Roberto Monti , Davide Vittone

Motivated by a model for lipid bilayer cell membranes, we study the minimization of the Willmore functional in the class of oriented closed surfaces with prescribed total mean curvature, prescribed area, and prescribed genus. Adapting…

Differential Geometry · Mathematics 2024-03-22 Christian Scharrer , Alexander West

We consider an energy functional that arises in micromagnetic and liquid crystal theory on thin films. In particular, our energy comprises a non-convex term that models anti-symmetric exchange as well as an anisotropy term. We devise an…

Numerical Analysis · Mathematics 2025-09-30 Giovanni Di Fratta , Michael Innerberger , Dirk Praetorius , Valeriy Slastikov

Inspired by previous work of Kusner and Bauer-Kuwert, we prove a strict inequality between the Willmore energies of two surfaces and their connected sum in the context of isoperimetric constraints. Building on previous work by…

Differential Geometry · Mathematics 2021-07-19 Andrea Mondino , Christian Scharrer

We consider the scaling-invariant nonlocal Willmore energy, defined via the nonlocal mean curvature by Caffarelli, Roquejoffre and Savin. Our main result is the existence of minimizers in the class of convex $C^1$-curves.

Analysis of PDEs · Mathematics 2024-02-09 Giovanni Giacomin , Armin Schikorra

We study configurations of points on the unit sphere that minimize potential energy for a broad class of potential functions (viewed as functions of the squared Euclidean distance between points). Call a configuration sharp if there are m…

Metric Geometry · Mathematics 2012-03-15 Henry Cohn , Abhinav Kumar

The classical energy minimization principles of Dirichlet and Thompson are extended as minimization principles to acoustics, elastodynamics and electromagnetism in lossy inhomogeneous bodies at fixed frequency. This is done by building upon…

Mathematical Physics · Physics 2011-05-06 Graeme W. Milton , Pierre Seppecher , Guy Bouchitte

We introduce functions associated to polarized dynamical systems that generalize averages of the dynamical Arakelov-Green's functions for rational functions due to Baker and Rumely. For a polarized dynamical system $X\to X$ over a product…

Number Theory · Mathematics 2024-04-11 Nicole R. Looper
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