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Related papers: Fuchsian DPW potentials for Lawson surfaces

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Particular solutions of the Poisson equation can be constructed via Newtonian potentials, integrals involving the corresponding Green's function which in two-dimensions has a logarithmic singularity. The singularity represents a significant…

Numerical Analysis · Mathematics 2025-06-04 Sheehan Olver

First principles linear combinations of Gaussian type orbitals-fitting function (LCGTO-FF) electronic structure calculations are used to study thickness dependencies in the surface energies and work functions of ultra-thin (111) films of…

Strongly Correlated Electrons · Physics 2009-11-10 A. K. Ray , J. C. Boettger

This paper presents a reformulation of the construction of nonseparable multiresolution quaternion-valued wavelets on the plane as a feasibility problem. The constraint sets in the feasibility problem are derived from the standard…

Classical Analysis and ODEs · Mathematics 2026-01-21 Neil D. Dizon , Jeffrey A. Hogan

Starting with the density field equation of a self-gravity fluid in a static Universe, using the Schwinger functional differentiation technique, we derive the field equation of the 4-point correlation function (4PCF) of galaxies in the…

Astrophysics of Galaxies · Physics 2024-06-11 Yang Zhang , Shu-Guang Wu

Hyperbolic buildings are central objects in both hyperbolic geometry and geometric group theory, exhibiting a wide range of intriguing characteristics, especially with respect to group actions. In this paper, we develop the theory of…

Geometric Topology · Mathematics 2024-12-06 Donghae Lee

We develop efficient and high-order accurate finite difference methods for elliptic partial differential equations in complex geometry in the Difference Potentials framework. The main novelty of the developed schemes is the use of local…

Numerical Analysis · Mathematics 2023-06-28 Qing Xia

We analyze and test using Fourier extensions that minimize a Hilbert space norm for the purpose of solving partial differential equations (PDEs) on surfaces. In particular, we prove that the approach is arbitrarily high-order and also show…

Numerical Analysis · Mathematics 2025-12-30 Daniel R. Venn , Steven J. Ruuth

In this work, we consider parabolic models with dynamic boundary conditions and parabolic bulk-surface problems in 3D. Such partial differential equations based models describe phenomena that happen both on the surface and in the…

Numerical Analysis · Mathematics 2020-02-07 Yekaterina Epshteyn , Qing Xia

In this paper, we study a class of special Lagrangian curvature potential equations and obtain the existence of smooth solutions for Dirichlet problem. The existence result is based on a priori estimates of global $C^{0}$, $C^{1}$ and…

Analysis of PDEs · Mathematics 2022-08-23 Rongli Huang , Yongmei Liang

In this article, we solve the Duffin-Kemmer-Petiau (DKP) equation in the presence of the Woods-Saxon potential barrier and well for spin-one particles. We derive the scattering solution in terms of the Gaussian hypergeometric function…

We consider the homogeneous Dirichlet problem for the parabolic equation \[ u_t- \operatorname{div} \left(|\nabla u|^{p(x,t)-2} \nabla u\right)= f(x,t) + F(x,t, u, \nabla u) \] in the cylinder $Q_T:=\Omega\times (0,T)$, where $\Omega\subset…

Analysis of PDEs · Mathematics 2023-10-23 Rakesh Arora , Sergey Shmarev

This article deals with the existence of hypersurfaces minimizing general shape functionals under certain geometric constraints. We consider as admissible shapes orientable hypersurfaces satisfying a so-called reach condition, also known as…

Analysis of PDEs · Mathematics 2022-06-10 Yannick Privat , Rémi Robin , Mario Sigalotti

We consider a Toda system of Liouville equations defined on a compact surface which arises as a model for non-abelian Chern-Simons vortices. For the first time the range of parameters $\rho_1 \in (4k\pi , 4(k+1)\pi)$, $k \in \mathbb{N}$,…

Analysis of PDEs · Mathematics 2017-01-25 Aleks Jevnikar , Sadok Kallel , Andrea Malchiodi

We give a very simple method for finding the exact analytical solution for the problem of a particle undergoing diffusive motion on a flat potential in the presence of a gaussian sink function. The diffusion process is modelled by using one…

Statistical Mechanics · Physics 2021-08-09 Swati Mudra , Aniruddha Chakraborty

We consider a continuous dynamical system $f:X\to X$ on a compact metric space $X$ equipped with an $m$-dimensional continuous potential $\Phi=(\phi_1,\cdots,\phi_m):X\to \bR^m$. We study the set of ground states $ GS(\alpha)$ of the…

Dynamical Systems · Mathematics 2016-04-25 Tamara Kucherenko , Christian Wolf

In this paper we numerically construct CMC deformations of the Lawson minimal surfaces $\xi_{g,1}$ using a spectral curve and a DPW approach to CMC surfaces in spaceforms.

Differential Geometry · Mathematics 2015-02-06 Sebastian Heller , Nicholas Schmitt

Deformed sine-Gordon (DSG) models $\partial_\xi \partial_\eta \, w + \frac{d}{dw}V(w) = 0$, with $V(w)$ being the deformed potential, are considered in the context of the Riccati-type pseudopotential approach. A compatibility condition of…

High Energy Physics - Theory · Physics 2019-10-28 H. Blas , H. F. Callisaya , J. P. R. Campos

In this work, we deal with the Vlasov-Poisson system in smooth physical domains with specular boundary condition, under mild integrability assumptions, and $d \ge 3$. We show that the Lagrangian and Eulerian descriptions of the system are…

Analysis of PDEs · Mathematics 2018-09-26 Xavier Fernández-Real

We have derived the perimeter generating function of a model of punctured staircase polygons in which the internal staircase polygon is rotated by a 90degree angle with respect to the outer staircase polygon. In one approach we calculated a…

Statistical Mechanics · Physics 2015-06-25 Iwan Jensen , Andrew Rechnitzer

We present a spectrally accurate, efficient FFT-based method for the three-dimensional free-space Poisson equation with smooth, compactly supported sources. The method adopts a super-potential formulation: we first compute the convolution…

Computational Physics · Physics 2025-09-22 Lukas Exl , Sebastian Schaffer