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In this paper, we introduce an inertial proximal method for solving a bilevel problem involving two monotone equilibrium bifunctions in Hilbert spaces. Under suitable conditions and without any restrictive assumption on the trajectories,…

Optimization and Control · Mathematics 2022-10-20 AÏcha Balhag , Zakaria Mazgouri , Michel Théra

We develop a universal distributional calculus for regulated volumes of metrics that are singular along hypersurfaces. When the hypersurface is a conformal infinity we give simple integrated distribution expressions for the divergences and…

High Energy Physics - Theory · Physics 2017-10-03 A. Rod Gover , Andrew Waldron

We consider steady surface waves in an infinitely deep two--dimensional ideal fluid with potential flow, focusing on high-amplitude waves near the steepest wave with a 120 degree corner at the crest. The stability of these solutions with…

Fluid Dynamics · Physics 2024-04-25 Bernard Deconinck , Sergey A. Dyachenko , Anastassiya Semenova

We derive a representation formula for harmonic polynomials and Laurent polynomials in terms of densities of the double-layer potential on bounded piecewise smooth and simply connected domains. From this result, we obtain a method for the…

Numerical Analysis · Mathematics 2018-11-12 Matt Wala , Andreas Klöckner

In this paper, we study the evolution of smooth, closed planar curves under a fourth order biharmonic flow with an external forcing term. Such flows arise naturally in the theory of biharmonic maps and geometric variational problems…

Analysis of PDEs · Mathematics 2025-11-24 Mohammad Javad Habibi Vosta Kolaei

The central problem of strip theory is the calculation of potential flowaround 2D sections. One particular method of solutions to this problem is conformal mapping of the body section to the unit circle over which a solution of potential…

Numerical Analysis · Mathematics 2015-03-19 Mohammad Salehi , Parviz Ghadimi , Ali Bakhshandeh Rostami

In this note we demonstrate how the analogy between the harmonic Gauss map of a constant mean curvature surface and the harmonic conformal Gauss map of a Willmore surface can be used to obtain results on Willmore surfaces.

Differential Geometry · Mathematics 2010-03-18 K. Leschke

Energy distributions of high frequency linear wave fields are often modelled in terms of flow or transport equations with ray dynamics given by a Hamiltonian vector field in phase space. Applications arise in underwater and room acoustics,…

Computational Physics · Physics 2014-08-12 David Chappell , Gregor Tanner , Niels Sondergaard , Dominik Loechel

This paper presents an innovative continuous linear finite element approach to effectively solve biharmonic problems on surfaces. The key idea behind this method lies in the strategic utilization of a surface gradient recovery operator to…

Numerical Analysis · Mathematics 2024-04-30 Ying Cai , Hailong Guo , Zhimin Zhang

An inverse problem of elasticity of $n$ elastic inclusions embedded into an elastic half-plane is analyzed. The boundary of the half-plane is free of traction. The half-plane and the inclusions are subjected to antiplane shear, and the…

Complex Variables · Mathematics 2021-09-15 Y. A. Antipov

We study unstable epitaxy on singular surfaces using continuum equations with a prescribed slope-dependent surface current. We derive scaling relations for the late stage of growth, where power law coarsening of the mound morphology is…

Statistical Mechanics · Physics 2009-10-28 Martin Rost , Joachim Krug

We investigate the use of conformal maps for the acceleration of convergence of the trapezoidal rule and Sinc numerical methods. The conformal map is a polynomial adjustment to the $\sinh$ map, and allows the treatment of a finite number of…

Numerical Analysis · Mathematics 2014-06-13 Richard Mikael Slevinsky , Sheehan Olver

Harmonic mappings have long intrigued researchers due to their intrinsic connection with minimal surfaces. In this paper, we investigate shearing of two distinct classes of univalent conformal mappings which are convex in horizontal…

Complex Variables · Mathematics 2023-10-17 Simran Bedi , Sanjay Kumar

The focus of the article is on analysis of skew-symmetric weight matrix functions for interfacial cracks in two dimensional anisotropic solids. It is shown that the Stroh formalism proves to be an efficient approach to this challenging…

Mathematical Physics · Physics 2012-07-10 Lorenzo Morini , Enrico Radi , Alexander Movchan , Natalia Movchan

When two bodies get into contact, only a small portion of the apparent area is actually involved in producing contact and friction forces, because of the surface roughnesses. It is therefore crucial to accurately describe the morphology of…

Numerical Analysis · Mathematics 2024-11-19 Mahmoud Shaqfa , Gary P. T. Choi , Guillaume Anciaux , Katrin Beyer

We study nonequilibrium roughening during compressive plastic flow of initially flat Cu$_{50}$Zr$_{50}$ metallic glass using large-scale molecular dynamics simulations. Roughness emerges at atomically flat interfaces beyond the yield point…

Materials Science · Physics 2022-07-26 Wolfram G. Nöhring , Adam R. Hinkle , Lars Pastewka

We propose a novel meshless method to compute harmonic maps and conformal maps for surfaces embedded in the Euclidean 3-space, using point cloud data only. Given a surface, or a point cloud approximation, we simply use the standard cubic…

Differential Geometry · Mathematics 2020-09-22 Tianqi Wu , Shing-Tung Yau

Consider the problem of inverse scattering of time-harmonic point sources from an infinite, penetrable rough interface with bounded obstacles buried in the lower half-space, where the interface is assumed to be a local perturbation of a…

Analysis of PDEs · Mathematics 2020-09-02 Jianliang Li , Jiaqing Yang , Bo Zhang

Equilibrium and non-equilibrium growth phenomena, e.g., surface growth, generically yields self-affine distributions. Analysis of statistical properties of these distributions appears essential in understanding statistical mechanics of…

Statistical Mechanics · Physics 2009-08-07 M. A. Rajabpour , S. M. Vaez Allaei

This note reviews some of the recent work on biharmonic conformal maps (see \cite{OC}, Chapter 11, for a detailed survey). It will be focused on biharmonic conformal immersions and biharmonic conformal maps between manifolds of the same…

Differential Geometry · Mathematics 2019-09-12 Ye-Lin Ou