高级检索

 作者：Xiangdong Zhao , Sining Zheng 来源：[J].Zeitschrift für angewandte Mathematik und Physik(IF 0.938), 2017, Vol.68 (1)Springer 摘要：We consider the parabolic-parabolic Keller–Segel system with singular sensitivity and logistic source: $$u_t=\Delta u-\chi \nabla \cdot (\frac{u}{v}\nabla v) +ru-\mu u^2$$ , $$v_t=\Delta v-v+u$$ under the homogeneous Neumann boundary conditions in a smooth bounded domain \(...
 作者：Xiao He , Sining Zheng 来源：[J].Journal of Mathematical Biology(IF 2.366), 2017, Vol.75 (1), pp.239-257Springer 摘要：In any reaction–diffusion system of predator–prey models, the population densities of species are determined by the interactions between them, together with the influences from the spatial environments surrounding them. Generally, the prey species would die out when their bi...
 作者：Zhaoxin Jiang , Sining Zheng 来源：[J].Chinese Annals of Mathematics, Series B(IF 0.504), 2012, Vol.33 (1), pp.107-112Springer 摘要：Abstract(#br)This paper deals with a coupled system of fourth-order parabolic inequalities | u | t ≥ −Δ 2 u + | v | q , | v | t ≥ −Δ 2 v + | u | p in $$\mathbb{S} = \mathbb{R}^n \times \mathbb{R}^ +$$ with p, q > 1, n ≥ 1. A Fujita-Liouville type theorem is establi...
 作者：Miaoqing Tian , Liang Hong , Sining Zheng 来源：[J].Journal of Evolution Equations(IF 0.788), 2018, Vol.18 (2), pp.973-1001Springer 摘要：Abstract(#br)This paper studies the hyperbolic–elliptic–elliptic system of an attraction–repulsion chemotaxis model with nonlinear productions and logistic source: $$u_{t}=-\chi \nabla \cdot (u\nabla v)+\xi \nabla \cdot (u\nabla w)+\mu u(1-u^k)$$ u t = - χ ∇ · ( u ...
 作者：Sining Zheng , Liqun Lin ... 来源：[J].The Journal of Pediatrics(IF 4.035), 2014, Vol.164 (4), pp.795-800.e2Elsevier 摘要：Objective(#br)To assess the effect of a weight-loss program on improving iron status in overweight and obese school-aged children.(#br)Study design(#br)The data were analyzed in overweight and obese children (7-11 years of age; 114 girls and 212 boys) with body mass index-fo...
 作者：... Yusuf Yaylı , İsmail Gök , Sining Zheng 来源：[J].Abstract and Applied Analysis(IF 1.102), 2014, Vol.2014Hindawi 摘要：A proper curve α in the n -dimensional pseudo-Riemannian manifold ( M , g ) is called a V n -slant helix if the function g ( V n , X ) is a nonzero constant along α , where X is a parallel vector field along α and V n is n th Frenet frame. In this work, we study such curvesa...
 作者：... Ahmad Izani Md. Ismail , Abdur Rashid , Sining Zheng 来源：[J].Abstract and Applied Analysis(IF 1.102), 2014, Vol.2014Hindawi 摘要：A new two-time level implicit technique based on cubic trigonometric B-spline is proposed for the approximate solution of a nonclassical diffusion problem with nonlocal boundary constraints. The standard finite difference approach is applied to discretize the time derivative...
 作者：Hongjie Ju , Sining Zheng 来源：[J].Abstract and Applied Analysis(IF 1.102), 2014, Vol.2014Hindawi 摘要：We prove the existence of solutions to a class of Monge-Ampère equations on exterior domains in ℝ n ( n ≥ 2 ) and the solutions are close to a cone. This problem comes from the study of the flow by powers of Gauss curvature in Minkowskispace.
 作者：Jin-soo Hwang , Sining Zheng 来源：[J].Abstract and Applied Analysis(IF 1.102), 2017, Vol.2017Hindawi 摘要：We consider a strongly damped quasilinear membrane equation with Dirichlet boundary condition. The goal is to prove the well-posedness of the equation in weak and strong senses. By setting suitable function spaces and making use of the properties of the quasilinear term in the eq...
 作者：Stéphane Malek , Sining Zheng 来源：[J].Abstract and Applied Analysis(IF 1.102), 2017, Vol.2017Hindawi 摘要：We study a singularly perturbed PDE with quadratic nonlinearity depending on a complex perturbation parameter ϵ . The problem involves an irregular singularity in time, as in a recent work of the author and A. Lastra, but possesses also, as a new feature, a turning point at ...