
arXiv: 1407.3306
Let $��$ be a complete metric space, and let $\{S_��(\cdot):\ ��\in��\}$ be a parametrised family of semigroups with global attractors ${\mathscr A}_��$. We assume that there exists a fixed bounded set $D$ such that ${\mathscr A}_��\subset D$ for every $��\in��$. By viewing the attractors as the limit as $t\to\infty$ of the sets $S_��(t)D$, we give simple proofs of the equivalence of `equi-attraction' to continuity (when this convergence is uniform in $��$) and show that the attractors ${\mathscr A}_��$ are continuous in $��$ at a residual set of parameters in the sense of Baire Category (when the convergence is only pointwise).
35B41, Stability of topological dynamical systems, global attractor, equiattraction, Dynamical Systems (math.DS), Dini's theorem, continuity, Mathematics - Analysis of PDEs, FOS: Mathematics, Attractors, Mathematics - Dynamical Systems, Baire one function, Analysis of PDEs (math.AP)
35B41, Stability of topological dynamical systems, global attractor, equiattraction, Dynamical Systems (math.DS), Dini's theorem, continuity, Mathematics - Analysis of PDEs, FOS: Mathematics, Attractors, Mathematics - Dynamical Systems, Baire one function, Analysis of PDEs (math.AP)
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