On Perturbations of Continuous Maps
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Publication:4908898
DOI10.4153/CMB-2011-158-8zbMATH Open1276.54024arXiv0910.0824MaRDI QIDQ4908898
Author name not available (Why is that?)
Publication date: 7 March 2013
Published in: (Search for Journal in Brave)
Abstract: We give sufficient conditions for the following problem: given a topological space X, a metric space Y, a subspace Z of Y, and a continuous map f from X to Y, is it possible, by applying to f an arbitrarily small perturbation, to ensure that f(X) does not meet Z? We also give a relative variant: if f(X') does not meet Z for a certain subset X' of X, then we may keep f unchanged on X'. We also develop a variant for continuous sections of fibrations, and discuss some applications to matrix perturbation theory.
Full work available at URL: https://arxiv.org/abs/0910.0824
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