Let R have its usual topology and let X = {a,b, c}. Define f : R –→ X by а, х<1 f(x) = b, x = с, x >

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.2: Ring Homomorphisms
Problem 6E
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Let R have its usual topology and let X = {a, b, c}. Define f : R →X by
а,
x < 0
f(x) = { b,
x = 0
%3D
с,
x >0
A. Fully describe the quotient topology on X induced by f.
B. Is X with the quotient topology Hausdorff? Justify your answer.
Transcribed Image Text:Let R have its usual topology and let X = {a, b, c}. Define f : R →X by а, x < 0 f(x) = { b, x = 0 %3D с, x >0 A. Fully describe the quotient topology on X induced by f. B. Is X with the quotient topology Hausdorff? Justify your answer.
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