A property is said to be a topological property if it is preserved by homeomorphism. Suppose that R is equipped with the usual topology, then the boundedness and the closedness are not topological properties because [a,b] is not homeomorphic to Ja,b[ Ris homeomorphic to ]-co, 0[ Ris homeomorphic to ]-o, 0] Ris homeomorphic to ]a,b[

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.2: Integral Domains And Fields
Problem 21E: [Type here] 21. Prove that ifand are integral domains, then the direct sum is not an integral...
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Topology
A property is said to be a topological
property if it is preserved by
homeomorphism. Suppose that R is
equipped with the usual topology,
then the boundedness and the
closedness are not topological
properties because
O [a,b] is not homeomorphic to ]a,b[
Ris homeomorphic to ]-o, 0[
Ris homeomorphic to ]-0o, 0]
Ris homeomorphic to ]a,b[
Transcribed Image Text:A property is said to be a topological property if it is preserved by homeomorphism. Suppose that R is equipped with the usual topology, then the boundedness and the closedness are not topological properties because O [a,b] is not homeomorphic to ]a,b[ Ris homeomorphic to ]-o, 0[ Ris homeomorphic to ]-0o, 0] Ris homeomorphic to ]a,b[
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