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We establish two-term spectral asymptotics for the operator of linear elasticity with mixed boundary conditions on a smooth compact Riemannian manifold of arbitrary dimension. We illustrate our results by explicit examples in dimension two…

谱理论 · 数学 2026-03-18 Matteo Capoferri , Isabel Mann

We investigate the effect on biomembrane mechanical properties due to the presence an external potential for a non-conductive non-compressible membrane surrounded by different electrolytes. By solving the Debye-Huckel and Laplace equations…

软凝聚态物质 · 物理学 2007-06-13 Tobias Ambjornsson , Michael A. Lomholt , Per Lyngs Hansen

We consider the asymptotic solutions of an interface problem corresponding to an elliptic partial differential equation with Dirich- let boundary condition and transmission condition, subject to the small geometric perturbation and the high…

偏微分方程分析 · 数学 2017-08-16 Jingrun Chen , Ling Lin , Zhiwen Zhang , Xiang Zhou

We consider a nonlinear model for electrical conduction in biological tissues. The nonlinearity appears in the interface condition prescribed on the cell membrane. The purpose of this paper is proving asymptotic convergence for large times…

偏微分方程分析 · 数学 2015-07-24 Micol Amar , Daniele Andreucci , Roberto Gianni

For the structure of the thin electrical double layer~(EDL) and the property related to the EDL capacitance, we analyze boundary layer solutions (corresponding to the electrostatic potential) of a non-local elliptic equation which is a…

偏微分方程分析 · 数学 2018-07-31 Chiun-Chang Lee

This paper investigates the asymptotic behavior of the Helmholtz free energy of mixtures at small compressibility. We start from a general representation for the local free energy that is valid in stable subregions of the phase diagram. On…

数学物理 · 物理学 2021-04-20 Dieter Bothe , Wolfgang Dreyer , Pierre-Etienne Druet

In this article, we study the impact of a change in the type of boundary conditions of an elliptic boundary value problem. In the context of the conductivity equation we consider a reference problem with mixed homogeneous Dirichlet and…

偏微分方程分析 · 数学 2021-06-15 Eric Bonnetier , Charles Dapogny , Michael S. Vogelius

Fan et al. (2015) recently introduced a remarkable method for increasing asymptotic power of tests in high-dimensional testing problems. If applicable to a given test, their power enhancement principle leads to an improved test that has the…

统计理论 · 数学 2019-01-29 Anders Bredahl Kock , David Preinerstorfer

We consider the family of operators $H^{(\epsilon)}:=-\frac{d^2}{dx^2}+\epsilon V$ in ${\mathbb R}$ with almost-periodic potential $V$. We study the behaviour of the integrated density of states (IDS) $N(H^{(\epsilon)};\lambda)$ when…

数学物理 · 物理学 2018-12-05 Leonid Parnovski , Roman Shterenberg

We consider a class of Cahn-Hilliard equation with kinetic rate dependent dynamic boundary conditions that describe possible short-range interactions between the binary mixture and the solid boundary. In the presence of surface diffusion on…

偏微分方程分析 · 数学 2024-02-08 Maoyin Lv , Hao Wu

Phonon spectra of a two-dimensional (2D) solid dusty plasma modulated by 2D square and triangular periodic substrates are investigated using Langevin dynamical simulations. The commensurability ratio, i.e., the ratio of the number of…

等离子体物理 · 物理学 2024-04-23 Y. Huang , W. Li , C. Reichhardt , C. J. O. Reichhardt , Yan Feng

Well-established textbook arguments suggest that static electric susceptibility must be positive in "all bodies" [1]. However, it has been pointed out that media that are not in thermodynamic equilibrium are not necessarily subject to this…

应用物理 · 物理学 2020-01-29 F. Castles , J. A. J. Fells , D. Isakov , S. M. Morris , A. Watt , P. S. Grant

The aim of this paper is to investigate the asymptotic behavior of a biphase tumor fluid flow derived by 2-scale homogenisation techniques in recent works. This biphase fluid flow model accounts for the capillary wall permeability, and the…

偏微分方程分析 · 数学 2021-01-12 Cristina Vaghi , Sébastien Benzekry , Clair Poignard

In this work, we deal with the stochastic counterpart of the nonlocal Cahn-Hilliard equation with regular potential in a smooth bounded one-, two- or three-dimensional domain. The problem is endowed with homogeneous Neumann boundary…

偏微分方程分析 · 数学 2026-04-29 Andrea Di Primio , Christoph Hurm

The variety of bi-confluent Heun potentials for a stationary relativistic wave equation for a spinless particle is presented. The physical potentials and energy spectrum of this wave equation are related to those for a corresponding…

量子物理 · 物理学 2019-02-07 H. H. Azizbekyan , A. M. Manukyan , V. M. Mekhitarian , A. M. Ishkhanyan

We study the instability of a thin membrane (of zero bending rigidity) to out-of-plane deflections, when the membrane is immersed in an inviscid fluid flow and sheds a trailing vortex-sheet wake. We solve the nonlinear eigenvalue problem…

流体动力学 · 物理学 2021-04-14 Christiana Mavroyiakoumou , Silas Alben

We prove well-posedness and regularity for the stochastic pure Cahn-Hilliard equation under homogeneous Neumann boundary conditions, with both additive and multiplicative Wiener noise. In contrast with great part of the literature, the…

偏微分方程分析 · 数学 2018-10-03 Luca Scarpa

We show that if an asymptotically flat manifold with horizon boundary admits a global static potential, then the static potential must be zero on the boundary. We also show that if an asymptotically flat manifold with horizon boundary…

微分几何 · 数学 2017-10-03 Lan-Hsuan Huang , Daniel Martin , Pengzi Miao

The steady-state current-voltage response of ion-selective systems varies as the number of ion-selective components is varied. For the highly investigated unipolar system, including only one ion-selective component, it has been shown that…

介观与纳米尺度物理 · 物理学 2024-11-27 Ramadan Abu-Rjal , Yoav Green

We consider a system of two coupled parabolic PDEs introduced in [1] to model motility of eukaryotic cells. We study the asymptotic behavior of solutions in the limit of a small parameter related to the width of the interface in phase field…

偏微分方程分析 · 数学 2016-02-05 Leonid Berlyand , Mykhailo Potomkin , Volodymyr Rybalko