In the first example, we used the quotient space to solve a problem. In the second example, we used

31 Views· 03/03/23
HighSchoolMath
HighSchoolMath
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A quotient map q need not be open (carry open set to open sets). If we check in this example (next board), it turns out to be open. For the open sets in the quotient, the usual topology for the circles should be clear: inverse images of small

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