English
Related papers

Related papers: Open KdV hierarchy and minimal gravity on disk

200 papers

We prove the existence of minimal hypersurfaces for the Dirichlet that extends a similar result of Jenkins and Serrin in Euclidean Space to Riemannian ambient manifolds

Differential Geometry · Mathematics 2013-07-31 Ari Aiolfi , Jaime Ripoll , Marc Soret

Let $S_{g}$ denote the genus $g$ closed orientable surface. For $k\in \mathbb{N}$, a $k$-system is a collection of pairwise non-homotopic simple closed curves such that no two intersect more than $k$ times. Juvan-Malni\v{c}-Mohar…

Geometric Topology · Mathematics 2016-02-25 Tarik Aougab

We provide the first steps towards a flat space holographic correspondence in two bulk spacetime dimensions. The gravity side is described by a conformally transformed version of the matterless Callan-Giddings-Harvey-Strominger model. The…

High Energy Physics - Theory · Physics 2020-04-29 Hamid Afshar , Hernan Gonzalez , Daniel Grumiller , Dmitri Vassilevich

In this paper we consider determining a minimal surface embedded in a Riemannian manifold $\Sigma\times \mathbb{R}$. We show that if $\Sigma$ is a two dimensional Riemannian manifold with boundary, then the knowledge of the associated…

Analysis of PDEs · Mathematics 2022-03-18 Cătălin I. Cârstea , Matti Lassas , Tony Liimatainen , Lauri Oksanen

We present a new method for solving the three-dimensional gravitational potential of a density field on the Yin-Yang grid. Our algorithm is based on a multipole decomposition and completely symmetric with respect to the two Yin-Yang grid…

Instrumentation and Methods for Astrophysics · Physics 2018-09-10 Marius Almanstoetter , Tobias Melson , H. -Thomas Janka , Ewald Mueller

Given a three-dimensional Riemannian manifold with boundary and a finite group of orientation-preserving isometries of this manifold, we prove that the equivariant index of a free boundary minimal surface obtained via an equivariant min-max…

Differential Geometry · Mathematics 2023-10-16 Giada Franz

In this article, we present a characterization of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of finite points on open Riemann surfaces. As an application, we give a characterization of the…

Complex Variables · Mathematics 2025-05-02 Qi'an Guan , Zheng Yuan

We prove some rigidity theorems for configurations of closed disks. First, fix two collections $\mathcal{C}$ and $\tilde{\mathcal{C}}$ of closed disks in the Riemann sphere $\hat{\mathbb{C}}$, sharing a contact graph which…

Metric Geometry · Mathematics 2015-10-08 Andrey M. Mishchenko

We study irreducible subvarieties of the universal hypersurface $\mathcal{X}/B$ of degree $d$ and dimension $n$. We prove that when $d$ is sufficiently large, a degree $kd$ subvariety $Z$ which dominates $B$ comes from intersection with a…

Algebraic Geometry · Mathematics 2026-02-04 Yifeng Huang , Borys Kadets , Olivier Martin

In this paper, solution space organization of minimum vertex-cover problem is deeply investigated using the K\"{o}nig-Eg\'{e}rvary (KE) graph and theorem, in which a hierarchical decomposition mechanism named KE-layer structure of general…

Social and Information Networks · Computer Science 2021-09-07 Wei Wei , Xiangnan Feng , Jiannan Wang , Xue Liu , Zhiming Zheng

We fabricate gravitino vertex interactions using as only input on-shell Yang-Mills amplitudes and the Kawai-Lewellen-Tye gauge theory / gravity relations. A useful result of this analysis is simpler tree-level Feynman rules for gravitino…

High Energy Physics - Theory · Physics 2010-05-19 N. E. J. Bjerrum-Bohr , Oluf Tang Engelund

In this work we study the level sets of entire solutions of the Allen-Cahn equation and we prove minimality of the zero level set with respect to a certain perimeter functional with density. This provides a direct relationship between phase…

Analysis of PDEs · Mathematics 2025-10-02 Dimitrios Gazoulis

We detail the theory of Discrete Riemann Surfaces. It takes place on a cellular decomposition of a surface, together with its Poincar\'e dual, equipped with a discrete conformal structure. A lot of theorems of the continuous theory follow…

Complex Variables · Mathematics 2008-02-13 Christian Mercat

In this work we study the intersection properties of a finite disk system in the euclidean space. We accomplish this by utilizing subsets of spheres with varying dimensions and analyze specific points within them, referred to as poles.…

Computational Geometry · Computer Science 2024-01-12 Jesús F. Espinoza , Cynthia G. Esquer-Pérez

In this paper we consider an inverse problem of determining a minimal surface embedded in a Riemannian manifold. We show under a topological condition that if $\Sigma$ is a $2$-dimensional embedded minimal surface, then the knowledge of the…

Analysis of PDEs · Mathematics 2023-10-24 Cătălin I. Cârstea , Matti Lassas , Tony Liimatainen , Leo Tzou

Let (M,g) be a smooth compact, n dimensional Riemannian manifold, n=3,4 with smooth n-1 dimensional boundary. We search the positive solutions of the singularly perturbed Klein Gordon Maxwell Proca system with homogeneous Neumann boundary…

Analysis of PDEs · Mathematics 2014-11-04 Marco Ghimenti , Anna Maria Micheletti

We introduce the concept of a clique bitrade, which generalizes several known types of bitrades, including latin bitrades, Steiner $T(k-1,k,v)$ bitrades, extended $1$-perfect bitrades. For a distance-regular graph, we show a one-to-one…

Combinatorics · Mathematics 2015-12-01 Denis Krotov , Ivan Mogilnykh , Vladimir Potapov

The papers [3,1,4,10] constructed an intersection theory on the moduli space of $r$-spin disks, and proved it satisfies mirror symmetry and relations with integrable hierarchies. That theory considered only disks with a single boundary…

Algebraic Geometry · Mathematics 2026-01-09 Ran J. Tessler , Yizhen Zhao

It is proved by Brendle in [4] that the equatorial disk $D^k$ has least area among $k$-dimensional free boundary minimal surfaces in the Euclidean ball $B^n$. By comparing the excess of free boundary minimal surfaces with the excess of the…

Differential Geometry · Mathematics 2023-08-31 Ezequiel Barbosa , Celso Viana

We establish a Mittag-Leffler-type theorem with approximation and interpolation for meromorphic curves $M\to \mathbb{C}^n$ ($n\geq 3$) directed by Oka cones in $\mathbb{C}^n$ on any open Riemann surface $M$. We derive a result of the same…

Differential Geometry · Mathematics 2025-10-09 Antonio Alarcon , Tjasa Vrhovnik