@article{Guo2025, 
author = {Gaihui Guo and Xinyue Zhang and Jichun Li and Tingting Wei},
title = {Analyzing diffusive vegetation-sand model: Instability, bifurcation, and pattern formation},
year = {2025},
journal = {Electronic Research Archive},
volume = {33},
number = {9},
pages = {5426-5456},
keywords = {vegetation-sand model, turing instability, steady-state bifurcation, vegetation pattern, double eigenvalue},
url = {https://www.sciopen.com/article/10.3934/era.2025243},
doi = {10.3934/era.2025243},
abstract = {In this study, we explored a diffusive vegetation-sand model with Neumann boundary conditions, investigating the role of Turing instability in vegetation pattern formation. A priori estimates for steady-state solutions were established using the maximum principle and Poincaré inequality. Bifurcation analysis was performed for simple and double eigenvalue cases. By employing bifurcation theory, a local bifurcation was extended globally, and the direction of bifurcation was characterized. Double eigenvalue cases were analyzed through spatial decomposition and the implicit function theorem. Finally, numerical simulations validated and complemented the theoretical results.}
}