A PDE Model

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**Figure:** Steady solution branches with plotted as a function of shown for parameter values $K_A = 1.0, V_A = 1.0, A_0 = 0.05, \delta = 0.1, \rho = 0.3, k_A = 0.2, k_E = \alpha^2 = 0.1$ .
$\begin{figure} \epsfxsize =4in \centerline {\epsffile{steady.ps}}\end{figure}$