On the Residual Continuity of Global Attractors

Xingxing Wang and Hongyong Cui
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Xingxing Wang: School of Mathematics and Statistics, Shanghai Lixin University of Accounting and Finance, Shanghai 201209, China
Hongyong Cui: Hubei Key Laboratory of Engineering Modeling and Science Computing, Huazhong University of Science and Technology, Wuhan 430074, China

Mathematics, 2022, vol. 10, issue 9, 1-7

Abstract: In this brief paper, we studied the residual continuity of global attractors A λ in varying parameters λ ∈ Λ with Λ a bounded Borel set in R d . We first reviewed the well-known residual continuity result of global attractors and then showed that this residual continuity is equivalent to the dense continuity. Then, we proved an analogue continuity result in measure sense that, under certain conditions, the set-valued map λ ↦ A λ is almost (in the Lebesgue measure sense) uniformly continuous: for any small ε > 0 there exists a closed subset C ε ⊂ Λ with Lebesgue measure m ( C ε ) > μ ( Λ ) − ε such that the set-valued map ε ↦ A ε is uniformly continuous on C ε . This, in return, indicates that the selected attractors { A λ : λ ∈ C ε } can be equi-attracting.

Keywords: global attractor; residual continuity; Baire’s category (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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