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Sensitivity of resonance frequency in the detection of thin layer using nano-slit structures

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2021; 86 (1)

We derive the formulas for the resonance frequencies and their sensitivity when the nano-slit structures are used in the detection of thin layers. For......

An initial-boundary value problem for the general three-component nonlinear Schrodinger equations on a finite interval

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2021; 86 (3)

The general three-component nonlinear Schrodinger (gtc-NLS) equations are completely integrable and contain the self-focusing, defocusing and mixed ca......

Steady states and pattern formation of the density-suppressed motility model

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2021; 86 (3)

This paper considers the stationary problem of density-suppressed motility models proposed in Fu et al. (2012) and Liu et at (2011) in one dimension w......

Reaction-subdiffusion systems and memory: spectra, Turing instability and decay estimates

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2021; 86 (2)

The modelling of linear and nonlinear reaction-subdiffusion processes is more subtle than normal diffusion and causes different phenomena. The resulti......

The inverse elastic scattering by an impenetrable obstacle and a crack

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2021; 86 (1)

This paper is concerned with the inverse scattering problem of time-harmonic elastic waves by a mixed-type scatterer, which is given as the union of a......

Multiple solutions and their asymptotics for laminar flows through a porous channel with different permeabilities

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2020; 85 (2)

The existence and multiplicity of similarity solutions for the steady, incompressible and fully developed laminar flows in a uniformly porous channel ......

Fractional phase-field crystal modelling: analysis, approximation and pattern formation

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2020; 85 (2)

We consider a fractional phase-field crystal (FPFC) model in which the classical Swift-Hohenberg equation (SHE) is replaced by a fractional order Swif......

Nonlinear interactions of nearly non-dispersive equatorial shallow-water waves

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2020; 85 (3)

This paper is concerned with nonlinear interactions of fundamental equatorial modes. In order to understand the mechanism of large-scale atmospheric m......

Reducing the near boundary errors of nonhomogeneous heat equations by boundary consistent methods

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2020; 85 (6)

In the paper, we point out a drawback of the Fourier sine series method to represent a given odd function, where the boundary Gibbs phenomena would oc......

Locating small inclusions in diffuse optical tomography by a direct imaging method

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2020; 85 (6)

Optical tomography is a typical non-invasive medical imaging technique, which aims to reconstruct geometric and physical properties of tissues by pass......

Uniqueness in inverse electromagnetic scattering problem with phaseless far-field data at a fixed frequency

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2020; 85 (6)

This paper is concerned with uniqueness in inverse electromagnetic scattering with phaseless far-field pattern at a fixed frequency. In our previous w......

On a reactionadvectiondiffusion equation with double free boundaries and mth-order Fisher non-linearity

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2019; 84 (1)

A reaction-advection-diffusion equation is investigated with double free boundaries and mth-order Fisher non-linearity. The main purpose is to study t......

JIF:1.5

The uniqueness and stability of travelling fronts of competitive systems with different diffusive coefficients

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2019; 84 (1)

In this paper, we focus on the uniqueness and stability of travelling front solutions of the classical competitive LotkaVolterra system with different......

JIF:1.5

Modulated amplitude waves with non-trivial phase of multi-component BoseEinstein condensates in optical lattices

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2019; 84 (1)

We study the existence of modulated amplitude waves with non-trivial phase of a quasi-1D multicomponent BoseEinstein condensate (BEC) in the presence ......

JIF:1.5

On an inverse elastic wave imaging scheme for nearly incompressible materials

期刊: IMA JOURNAL OF APPLIED MATHEMATICS, 2019; 84 (2)

This paper is devoted to the algorithmic development of inverse elastic scattering problems. We focus on reconstructing the locations and shapes of el......

JIF:1.5

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