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Zuodong Yang

Publications (18)

Global Existence and Blow-up of Classical Solution for an Attraction-repulsion Chemotaxis System with Logistic Source

Lijun Yan & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2019

We consider the following quasilinear attraction-repulsion chemotaxis system of parabolic-elliptic-elliptic type with logistic source  under homegeneous Neumann boundary conditions in a bounded domain `\Omega\subset R^{n}(n\geq2)` with smooth boundary, where `D(u)\geq c_{D}(u+1)^...

Open access Research Article 10.9734/jamcs/2019/v30i630092

Finite Time Blow-up, Extinction and Non-extinction of Solutions for an Evolutionary Problem

Zhen Zhi & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2017

In this paper we consider a class of p-biharmonic parabolic equation with nonlocal nonlinearities and Neumann boundary condition. By constructing suitable auxiliary functions and using differential inequalities, we give blow-up criterion of solutions as well as extinction and non...

Open access Research Article 10.9734/JAMCS/2017/35755

Quenching Behavior for a Nonlinear Parabolic Equation with Nonlinear Boundary Flux

Zhe Jia & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2016

The paper deals with a nonlinear equation in one-dimensional space, of which the nonlinearity appears both in source term and the Neumann boundary condition. Firstly, we proved that the solution of problem (1.1) quenches in finite time and the only quenching point is x = 0 if the...

Open access Research Article 10.9734/BJMCS/2016/28721

Blow-up of Solutions for a Reaction-diffusion Equation with Nonlinear Nonlocal Boundary Condition

Sen Zhou & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2016

This paper deals with a reaction-diffusion equation subject to nonlinear nonlocal boundary condition and with nonlocal reaction source. We investigate the global existence and blow up in finite time of a nonnegative solution by using a sub-super solution method.

Open access Research Article 10.9734/BJMCS/2016/25746

Estimates for Boundary Blowup Solutions of p-Laplacian Type Quasilinear Elliptic Equations

Xingbao Lin & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2015

In this paper, we investigate the effect of the mean curvature of the boundary ∂Ω on the behavior of the blow-up solutions to the p-Laplacian type quasilinear elliptic equation                                           div(|∇u|p-2∇u) = um|∇u|, p > 1, where the Ω ∈ RN be a boun...

Open access Research Article 10.9734/BJMCS/2016/20768

Bounds for the Blow-up Time and Blow-up Rate Estimates for Nonlinear Parabolic Equations with Dirichlet or Neumann Boundary Conditions

Yuhua Jian & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2015

This paper is concerned with the blow-up phenomena for a type of parabolic equations with weighted nonlinear source                                 where Ω ⊂ RN  (N ≥ 3) is a smooth bounded domain. Through constructing some suitable auxiliary functions and using the rst-order di...

Open access Research Article 10.9734/BJMCS/2016/20736

Positive Solutions for a Coupled Nonlinear Fractional Differential System with Coefficients that Change Signs

Zhoujin Cui & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2015

This paper investigates the existence of positive solutions of the nonlinear fractional di_erential system _   where 0 < s; p < 1, Ds;Dp are the standard Riemann-Liouville fractional derivatives, λ; μ > 0 are parameters. The peculiarity of this coupled equations is the c...

Open access Research Article 10.9734/BJMCS/2015/17028

Asymptotic Behavior of Solutions to Singular Quasilinear Dirichlet Problem with a Convection Term

Chunlian Liu & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2015

In this paper, we study the boundary behavior of solution to the singular Dirichlet problem                                   where Ω is a bounded domain with smooth boundary in RN, λ ∈ R,m > 1, 0 < q ≤ m/(m - 1), lims→0+ g(s) = +∞, and b ∈ Ca(Ω), which is non-negative on Ω...

Open access Research Article 10.9734/BJMCS/2015/12968

Positive Radial Solutions of the p-Laplacian in an Annulus with a Superlinear Nonlinearity with Zeros

Xiaomin Liu & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2014

In this paper, we study existence, and the asymptotic behavior, with respect to λ , of positive radially symmetric solutions of                                                                                 −ΔΡu = λh(x; u) in annular domains in RN;N ≥ 2. The nonlinear term has a...

Open access Research Article 10.9734/BJMCS/2015/13254

Existence and Structure of Entire Large Positive Radial Solutions for A Class of Quasilinear Elliptic Systems

Dianpeng He & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2014

In this paper, we consider the problem for the existence of the entire positive radial solutions of quasilinear elliptic system   And, we also consider the following quasilinear elliptic system:   Using the theory of ordinary differential equation, iteration method and comparison...

Open access Research Article 10.9734/BJMCS/2014/6354

On the Existence and Nonexistence of Positive Solutions for Singular Quasilinear Elliptic Equations with Gradient Terms

Jing Zhang & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2013

In this paper, we investigate the positive solutions of quasilinear elliptic equations of the form where   is an open ball centered at origin of RN, g is an unbounded decreasing function  is positive and continuous . We emphasis the effect of all these terms in the study of exist...

Open access Research Article 10.9734/BJMCS/2014/6371

Nonlinear Perturbations of a Periodic Quasilinear Elliptic Problem with Discontinuous Nonlinearity in RN1

Qin Li & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2013

Using variational methods, we estabilish existence of positive solutions for a class of quasilinear elliptic problems                                                  where  is a positive, continuous perturbations of a periodic function, H is the Heaviside function and f is a con...

Open access Research Article 10.9734/BJMCS/2014/6006

Three Solutions for a Navier Boundary Value System Involving the (p(x); q(x))-Biharmonic Operator

Honghui Yin & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2013

The existence of at least three weak solutions is established for a class of quasilinear elliptic systems involving the (p(x); q(x))-biharmonic operators with Navier boundary value conditions. The technical approach is mainly based on a three critical points theorem due to Riccer...

Open access Research Article 10.9734/BJMCS/2013/3166

The Existence and Nonexistence of Entire Positive Radial Solutions of Quasilinear Elliptic Systems with Gradient Term

Hongxia Qin & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2013

We study the existence and nonexistence of entire positive solutions for quasilinear elliptic system with gradient term on where nonlinearities f and g are positive and continuous, the potentials a and b are continuous, c-positive and satisfy appropriate growth conditions at infin...

Open access Research Article 10.9734/BJMCS/2013/2498

Nonexistence of Radial Positive Solutions for A Quasilinear Elliptic Equations nonpositone Problems in an Annulus

Weihui Wang & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2013

In this paper, our main purpose is studying the nonexistence of radial positive solutions for the boundary-value problem: where  is an annulus in is a continuous nonlinear function and satisfies f(0) < 0 (the nonpositone case), f also has more than one zero.

Open access Research Article 10.9734/BJMCS/2013/1767

Ground State Solutions for A Quasilinear Elliptic Problem with a Convection Term

Qin Li & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2012

By a sub-supersolution argument and a perturbed argument, we improve the earlier results concerning the existence of ground state solutions to a quasilinear elliptic problem                       where  for some α ∈ (0, 1) is non-negative and   is a locally Holder continuous func...

Open access Research Article 10.9734/BJMCS/2012/1133