An, Qi; Wang, Chuncheng; Wang, Hao Analysis of a spatial memory model with nonlocal maturation delay and hostile boundary condition. (English) Zbl 1447.35036 Discrete Contin. Dyn. Syst. 40, No. 10, 5845-5868 (2020). Summary: In this paper, we propose and investigate a memory-based reaction-diffusion equation with nonlocal maturation delay and homogeneous Dirichlet boundary condition. We first study the existence of the spatially inhomogeneous steady state. By analyzing the associated characteristic equation, we obtain sufficient conditions for local stability and Hopf bifurcation of this inhomogeneous steady state, respectively. For the Hopf bifurcation analysis, a geometric method and prior estimation techniques are combined to find all bifurcation values because the characteristic equation includes a non-self-adjoint operator and two time delays. In addition, we provide an explicit formula to determine the crossing direction of the purely imaginary eigenvalues. The bifurcation analysis reveals that the diffusion with memory effect could induce spatiotemporal patterns which were never possessed by an equation without memory-based diffusion. Furthermore, these patterns are different from the ones of a spatial memory equation with Neumann boundary condition. Cited in 19 Documents MSC: 35B32 Bifurcations in context of PDEs 35B36 Pattern formations in context of PDEs 35K58 Semilinear parabolic equations 35K20 Initial-boundary value problems for second-order parabolic equations 35R09 Integro-partial differential equations 92B05 General biology and biomathematics Keywords:memory-based reaction-diffusion equation; Dirichlet boundary condition; two delays; inhomogeneous steady state; inhomogeneous periodic solution; Hopf bifurcation PDFBibTeX XMLCite \textit{Q. An} et al., Discrete Contin. Dyn. Syst. 40, No. 10, 5845--5868 (2020; Zbl 1447.35036) Full Text: DOI References: [1] N. F. 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