Exercises:Mond - Topology - 2/Section B/Question 5
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Section B
Question 5
Is the quotient map from [ilmath][0,1]\times[0,1]\subset\mathbb{R}^2[/ilmath] to the real projective plane, [ilmath]\mathbb{RP}^2[/ilmath], an open map?
Solution
See comments, go here and click "view source" - I don't want to give away the answers.
