Positive steady-state solutions for a vegetation–water model with saturated water absorption

G Guo, Q Qin, D Pang, Y Su - Communications in Nonlinear Science and …, 2024 - Elsevier
In this paper, a vegetation–water model with saturated water absorption is considered. The
global stability of boundary equilibrium is first obtained. Then the stability and Turing …

Pattern formation and qualitative analysis for a vegetation-water model with diffusion

G Guo, J Wang - Nonlinear Analysis: Real World Applications, 2024 - Elsevier
In this paper, a diffusive vegetation-water model under Neumann boundary conditions is
considered. Firstly, the stability and the diffusion-induced Turing instability are studied. Then …

Pattern formation of a spatial vegetation system with cross-diffusion and nonlocal delay

G Guo, Q Qin, H Cao, Y Jia, D Pang - Chaos, Solitons & Fractals, 2024 - Elsevier
Vegetation patterns can reflect vegetation's spatial distribution in space and time. The
saturated water absorption effect between the soil–water and vegetation plays a crucial role …

Spatial vegetation pattern formation and transition of an extended water–plant model with nonlocal or local grazing

Y Maimaiti, W Yang - Nonlinear Dynamics, 2024 - Springer
In this paper, we analyze how vegetation patterns occur in arid and semi-arid ecosystems
with different types of grazing, using both modelling approaches and mathematical analysis …

Stability and cross-diffusion-driven instability for a water-vegetation model with the infiltration feedback effect

G Guo, S Zhao, D Pang, Y Su - Zeitschrift für angewandte Mathematik und …, 2024 - Springer
This paper is devoted to a mathematical model with diffusion and cross-diffusion to describe
the interaction between vegetation and soil water. First, the existence of Hopf bifurcation and …

Pattern dynamics in a water–vegetation model with cross‐diffusion and nonlocal delay

G Guo, J You, K Ahmed Abbakar - Mathematical Methods in …, 2025 - Wiley Online Library
In semiarid areas, the positive feedback effect of vegetation and soil moisture plays an
indispensable role in the water absorption process of plant roots. In addition, vegetation can …

Interactions of cross-diffusion and nonlocal delay induce spatial vegetation patterning in semi-arid environments

G Guo, J Wang, S Zhao, C Zhang - Nonlinear Dynamics, 2024 - Springer
In semi-arid regions, the positive feedback effect of vegetation and soil moisture plays an
indispensable role in the process of water absorption by vegetation roots, and vegetation …

Effects of Degenerate Bifurcations and their Applications to a Holling-Type II Predator–Prey System

M Wei, S Guo, G Guo - Journal of Dynamics and Differential Equations, 2024 - Springer
Under the violated crossing condition, a degenerate Hopf bifurcation in ODE is generalized
to an abstract evolution equation, and a degenerate steady-state bifurcation is established in …

The effects of toxin and mutual interference among zooplankton on a diffusive plankton–fish model with Crowley–Martin functional response

H Li, G Guo, L Wang, A Wang - Complex Variables and Elliptic …, 2024 - Taylor & Francis
A diffusive phytoplankton–zooplankton–fish model with toxin and Crowley–Martin functional
response is considered. By the global bifurcation theorem and the fixed point index theory …

Bifurcation and Instability of a Spatial Epidemic Model

H Yuan, Y Zhou, X Yang, Y Lv, G Guo - International Journal of …, 2024 - World Scientific
This paper is concerned with a spatial S− I epidemic model with nonlinear incidence rate.
First, the existence of the equilibrium is discussed in different conditions. Then the main …