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A result on the singular perturbation theory for differential inclusions in Banach spaces
Author(s) -
Alessandra Andreini,
Mikhail Kamenskiĭ,
Paolo Nistri
Publication year - 2000
Publication title -
topological methods in nonlinear analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.623
H-Index - 23
ISSN - 1230-3429
DOI - 10.12775/tmna.2000.001
Subject(s) - mathematics , differential inclusion , banach space , regular polygon , mathematical analysis , pure mathematics , perturbation (astronomy) , solution set , set (abstract data type) , physics , geometry , quantum mechanics , computer science , programming language
We provide conditions which ensure that the solutionset of the Cauchy problem for a singularly perturbed system of differentialinclusions in infinite dimensional Banach spaces is upper semicontinuous withrespect to the parameter $\varepsilon\ge0$ of the perturbation. The main tools are represented by suitable introduced measures of noncompactness and the topological degree theory in locally convex spaces.

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