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Related papers: Soap films: from the Plateau problem to deformable…

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We describe the structure of the singular sets of constant curvature, convex hypersurfaces in hyperbolic space for general convex curvature functions. We apply this result to the study of the ideal Plateau problem in hyperbolic space for…

Differential Geometry · Mathematics 2024-10-15 Graham Smith

We introduce a modified Kirchhoff-Plateau problem adding an energy term to penalize shape modifications of the cross-sections appended to the elastic midline. In a specific setting, we characterize quantitatively some properties of…

Analysis of PDEs · Mathematics 2024-06-28 Giulia Bevilacqua , Chiara Lonati

Liquid foams are widely used in industry for their high effective viscosity, whose local origin is still unclear. This Letter presents new results on the extension of a suspended soap film, in a configuration mimicking the elementary…

Soft Condensed Matter · Physics 2013-09-11 Jacopo Seiwert , Martin Monloubou , Benjamin Dollet , Isabelle Cantat

We prove a generalization of Reifenberg's isoperimetric inequality. The main result of this paper is used to establish existence of a minimizer for an anisotropically-weighted area functional among a collection of surfaces which satisfies a…

Analysis of PDEs · Mathematics 2018-01-23 Harrison Pugh

We describe a novel technique for solving the Plateau problem for constant curvature hypersurfaces based on recent work of Harvey and Lawson. This is illustrated by an existence theorem for hypersurfaces of constant Gaussian curvature in…

Differential Geometry · Mathematics 2009-12-16 Andrew Clarke , Graham Smith

We show the existence of a complete, strictly locally convex hypersurface within $\mathbb{H}^{n+1}$ that adheres to a curvature equation applicable to a broad range of curvature functions. This hypersurface possesses a prescribed asymptotic…

Differential Geometry · Mathematics 2023-08-30 Han Hong , Haizhong Li , Meng Zhang

We collect a few guesses on possible implications of a lower bound on the scalar curvature of a Riemannian manifold on the size and shape of this manifold.

Differential Geometry · Mathematics 2017-10-18 Misha Gromov

The usable limits of the customary and relaxational filtrational theories are considered. The questions of applicable the locality and local thermodynamical equilibrium principles to depict the nonstationary flows are discussed. The…

Fluid Dynamics · Physics 2007-05-23 M. N. Ovchinnikov

We propose an alternative approach called backward transformation for the design of platonic cloaks, without resorting to in-plane body forces and pre-stresses, which can lead to unphysical features. It is shown that the Kirchhoff-Love…

Computational Physics · Physics 2019-01-03 Lucas Pomot , Stephane Bourgeois , Cedric Payan , Marcel Remillieux , Sebastien Guenneau

I discuss the historical roots of the landscape problem and propose criteria for its successful resolution. This provides a perspective to evaluate the possibility to solve it in several of the speculative cosmological scenarios under study…

History and Philosophy of Physics · Physics 2015-06-04 Lee Smolin

We consider surfaces of constant Gaussian curvature immersed in 3-dimensional manifolds, and we strengthen the compactness result of Labourie in the case where the ambient manifold is 3-dimensional hyperbolic space. This allows us to prove…

Differential Geometry · Mathematics 2011-05-24 Graham Smith

Branched flow can be observed when a laser beam is coupled into a soap film. This research theoretically explored the phenomenon through analogy between light wave and particles in form of Hamilton-Jacobian equation, further discussed the…

Chaotic Dynamics · Physics 2021-12-07 Han Lin , Xiaoyue Ma , Kefan Wang

Motivated by the study of the equilibrium equations for a soap film hanging from a wire frame, we prove a compactness theorem for surfaces with asymptotically vanishing mean curvature and fixed or converging boundaries. In particular, we…

Analysis of PDEs · Mathematics 2019-10-03 Francesco Maggi , Antonello Scardicchio , Salvatore Stuvard

A non-linear theory for the plastic deformation of prismatic bodies is constructed which interpolates between Prandtl's linear soap-film approximation and N\'adai's sand-pile model . Geometrically Prandtl's soap film and N\'adai's wavefront…

General Relativity and Quantum Cosmology · Physics 2012-03-20 G. Domokos , G. W. Gibbons

We consider the two-dimensional Kirchhoff-Love plate equation in the context of elasticity modeling the stresses and deformations in thin plates subjected to forces and moments. We establish global recovery of the material parameters like…

Analysis of PDEs · Mathematics 2021-02-12 Sombuddha Bhattacharyya , Tuhin Ghosh

Modern geometric measure theory, developed largely to solve the Plateau problem, has generated a great deal of technical machinery which is unfortunately regarded as inaccessible by outsiders. Some of its tools (e.g., flat norm distance and…

Differential Geometry · Mathematics 2014-08-27 Sharif Ibrahim

The Kirchhoff-Love hypothesis expresses a kinematic constraint that is assumed to be valid for the deformations of a three-dimensional body when one of its dimensions is much smaller than the other two, as is the case for plates. This…

Mathematical Physics · Physics 2020-05-28 Olivier Ozenda , Epifanio G. Virga

We study the Cauchy problem for a scalar semilinear degenerate parabolic partial differential equation with stochastic forcing. In particular, we are concerned with the well-posedness in any space dimension. We adapt the notion of kinetic…

Analysis of PDEs · Mathematics 2012-02-10 Martina Hofmanova

This is a survey of the inverse spectral problem on (mainly compact) Riemannian manifolds, with or without boundary. The emphasis is on wave invariants: on how wave invariants have been calculated and how they have been applied to concrete…

Spectral Theory · Mathematics 2011-11-10 Steve Zelditch

The solution to the Euler-Lagrange equation is an extremal functional.To understand that the functional is stationary at local extrema (maxima or minima), we propose a physics experiment that involves using soap film to form a catenoid. A…

Classical Physics · Physics 2010-01-20 Masato Ito , Taku Sato