3 problems

Assume that $a\geq 0$ and that $f$ is an $S$-map. Let $K$ be the unique fixed point of $f$. Equation (1) has an equilibrium at $K$; a global attractor attracts the phase space, and…

Let $r$ be the parameter in Wright's equation, and let its global attractor be the set attracting all bounded sets of the phase space. A periodic orbit is a periodic solution modul…

Let $f$ be an $S$-map, let $K$ be the equilibrium of Equation (1), and let $\tau$ be its delay parameter. The equilibrium is locally asymptotically stable for sufficiently small…