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Given two points on a soup can or conical cup with lid, we find and classify all paths of minimal length connecting them. When the number of minimal paths is finite, there are at most four on a can and three on a cup. At worst, minimal…

微分几何 · 数学 2007-12-11 Joel B. Mohler , Ron Umble

We construct Lipschitz $Q$-valued functions which approximate carefully integral currents when their cylindrical excess is small and they are almost minimizing in a suitable sense. This result is used in two subsequent works to prove the…

偏微分方程分析 · 数学 2016-06-13 Camillo De Lellis , Emanuele Spadaro , Luca Spolaor

We construct a continuous Lagrangian, strictly convex and superlinear in the third variable, such that the associated variational problem has a Lipschitz minimizer which is non-differentiable on a dense set. More precisely, the upper and…

经典分析与常微分方程 · 数学 2015-05-18 Richard Gratwick , David Preiss

Absolutely minimal Lipschitz extensions (AMLEs) are known to exist in many infinite metric settings, but the finite case is less settled. In metric spaces with at most four points, every function on a nonempty subset admits an AMLE in the…

度量几何 · 数学 2026-01-16 Alberto Domínguez Corella , Trí Minh Lê

We provide new general methods in the calculus of variations for the anisotropic Plateau problem in arbitrary dimension and codimension. A new direct proof of Almgren's 1968 existence result is presented; namely, we produce from a class of…

偏微分方程分析 · 数学 2017-01-25 Jenny Harrison , Harrison Pugh

We prove two theorems on the locally finite decompositions of the cones of divisors by the cones which correspond to canonical and minimal models. We introduce the concept of the numerical linear systems in order to simplify the argument on…

代数几何 · 数学 2009-09-22 Yujiro Kawamata

In this article, We introduce a condition that is both necessary and sufficient for a linear code to achieve minimality when analyzed over the rings $\mathbb{Z}_{n}$.The fundamental inquiry in minimal linear codes is the existence of a…

信息论 · 计算机科学 2025-11-24 Biplab Chatterjee , Ratnesh Kumar Mishra

We look for minimizers of the buckling load problem with perimeter constraint in any dimension. In dimension 2, we show that the minimizing plates are convex; in higher dimension, by passing through a weaker formulation of the problem, we…

偏微分方程分析 · 数学 2023-07-07 Michele Carriero , Simone Cito , Antonio Leaci

We generalize the Khinchin singularity phenomenon for the problem when, for a given irrational linear subspace, we are looking for rational subspaces that form the smallest angle with the given

数论 · 数学 2023-05-02 Artem Chebotarenko

In this paper we give full classification of rank 3 line arrangements in $\mathbb P^2$ (over a field of characteristic 0) that have a minimal logarithmic derivation of degree 3. The classification presents their defining polynomials, up to…

组合数学 · 数学 2023-12-18 Ricardo Burity , Stefan Tohaneanu

The ancient Gamow liquid drop model of nuclear energies has had a renewed life as an interesting problem in the calculus of variations: Find a set $\Omega \subset \mathbb R^3$ with given volume A that minimizes the sum of its surface area…

数学物理 · 物理学 2015-03-03 Rupert L. Frank , Elliott H. Lieb

In this paper we consider the problem of reconstructing a curve that is partially hidden or corrupted by minimizing the functional $\int \sqrt{1+K_\gamma^2} ds$, depending both on length and curvature $K$. We fix starting and ending points…

微分几何 · 数学 2010-02-23 Ugo Boscain , Grégoire Charlot , Francesco Rossi

We prove that half spaces are the only stable nonlocal $s$-minimal cones in $\mathbb{R}^3$, for $s\in(0,1)$ sufficiently close to $1$. This is the first classification result of stable $s$-minimal cones in dimension higher than two. Its…

偏微分方程分析 · 数学 2017-10-25 Xavier Cabre , Eleonora Cinti , Joaquim Serra

We study a problem of geometric graph theory: We determine the triply periodic graph in Euclidean 3-space which minimizes length among all graphs spanning a fundamental domain of 3-space with the same volume. The minimizer is the so-called…

微分几何 · 数学 2018-04-26 Jerome Alex , Karsten Grosse-Brauckmann

It is shown that in the planar equal-mass four-body problem, there exist two sets of new action minimizers connecting two planar boundary configurations with fixed symmetry axes and specific order constraints on the four bodies: a double…

动力系统 · 数学 2017-10-30 Duokui Yan

We study linear systems cut out by cones of fixed degree on a smooth complex curve $C\subset\mathbb{P}^{3}$. We develop a systematic study of the families of such systems, considering their limits, their infinitesimal behaviour and some…

代数几何 · 数学 2025-11-14 Riccardo Moschetti , Gian Pietro Pirola , Lidia Stoppino

We study lightlikeness preserving mappings from the $4$-dimensional Minkowski spacetime $\mathcal{M}_4$ to itself under no additional regularity assumptions like continuity, surjectivity, or injectivity. We prove that such a mapping $\phi$…

数学物理 · 物理学 2025-09-01 Michiya Mori , Peter Šemrl

In this paper we determine a complete list of rational surface singularities which have metrically conical bilipschitz type of its inner metric. We achieve this by using the thick-thin decomposition of Birbrair, Neumann and Pichon.

代数几何 · 数学 2015-04-07 Helge Møller Pedersen

We show that nonlocal minimal cones which are non-singular subgraphs outside the origin are necessarily halfspaces. The proof is based on classical ideas of~\cite{DG1} and on the computation of the linearized nonlocal mean curvature…

偏微分方程分析 · 数学 2017-06-20 Alberto Farina , Enrico Valdinoci

We provide a simple proof of the radial symmetry of any nonnegative minimizer for a general class of quasi-linear minimization problems.

偏微分方程分析 · 数学 2010-04-20 Marco Squassina