2.5 For each of the following properties, give an example consisting of two subsets X, Y CR', both considered as tope spaces with their Euclidean topologies, together with a map f : X →Y that has the indicated property.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.2: Mappings
Problem 10E: For each of the following parts, give an example of a mapping from E to E that satisfies the given...
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2.5 For each of the following properties, give an example consisting of two subsets X, Y CR², both considered as topological
spaces with their Euclidean topologies, together with a map f : X Y that has the indicated property.
(a) f is open but neither closed nor continuous.
(b) f is closed but neither open nor continmuous.
(c) f is continuous but neither open nor closed.
(d) f is contimuous and open but not closed.
(e) f is continuous and closed but not open.
(f) f is open and closed but not continuous.
Transcribed Image Text:2.5 For each of the following properties, give an example consisting of two subsets X, Y CR², both considered as topological spaces with their Euclidean topologies, together with a map f : X Y that has the indicated property. (a) f is open but neither closed nor continuous. (b) f is closed but neither open nor continmuous. (c) f is continuous but neither open nor closed. (d) f is contimuous and open but not closed. (e) f is continuous and closed but not open. (f) f is open and closed but not continuous.
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