期刊： APPLIED MATHEMATICS LETTERS, 2021; 118 ()
In this paper, we consider the problem of phase retrieval from short-time Fourier transform (STFT) intensity measurements. A uniqueness result is esta......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 119 ()
Variational theory is the theoretical basis for various numerical methods. A minimum variational principle plays an important role in guaranteeing the......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 121 ()
In this article, we first construct a positivity-preserving numerical method for the stochastic Susceptible-Infected-Susceptible (SIS) epidemic model ......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 118 ()
In this paper, we propose a new linear second-order finite difference scheme for Allen-Cahn equations. We use a modified Leap-Frog finite difference s......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 120 ()
This paper is concerned with a diffusive susceptible-exposed-infected-recovered (SEIR) epidemic model with a class of general incidence function f(S, ......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 121 ()
This paper studies the three dimensional tropical climate model with damping vertical bar u vertical bar(alpha-1)u on the barotropic mode of the veloc......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 122 ()
We consider the integrable discretizations of an Eckhaus-Kundu equation. The x-discrete, t-discrete and one fully discrete version of the equation are......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 118 ()
This paper is concerned with the existence of multiple positive solutions for a nonlinear Hadamard-type fractional differential equation with nonlocal......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 119 ()
In this paper, we demonstrate the convergence analysis of Robin-Robin domain decomposition method with finite element discretization for Stokes-Darcy ......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 120 ()
For dealing with exact solutions and other properties, the variable-coefficient equations are far more complicated than its constant-coefficient count......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 122 ()
We consider the following gradient system of Choquard type {-Delta(u1) + u1 = (I-mu * F(u(2)))f (u(1)) in R-N, -Delta(u2) + u(2) = (I-mu * F(u(1)))f(u......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 118 ()
We obtain the existence of a radial solution to the following 1-Laplacian problem {-Delta(1)u + u vertical bar u vertical bar = Q(x)f(u), in R-N, (0.1......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 118 ()
By introducing a weighted networked structure to the classical reaction-diffusion system, we investigate the Turing bifurcation which changes the triv......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 118 ()
In this paper, we consider the asymptotic behavior of global solutions to the initial boundary value problem of a mixed pseudo-parabolic Kirchhoff equ......
期刊： APPLIED MATHEMATICS LETTERS, 2021; 120 ()
In this note, to solve a class of complex symmetric system of linear equations, we construct a new block triangular (NBT) preconditioner which leads t......
