November 26th, 2013, 07:31 PM  #1 
Newbie Joined: Nov 2013 Posts: 3 Thanks: 0  Topological equivalence
I'm taking Multi, and I don't know why This problem is on my exam. Can anyone please Guide me through this? I am familiar with R, R2, and R3. I have no clue what # is. And i'm guessing S is surface ? Sorry to not give any information or an attempt, But I don't even know how to start. I would really appreciate any help a great deal. Thank you in advance. 
December 6th, 2013, 09:54 AM  #2 
Senior Member Joined: Feb 2013 Posts: 281 Thanks: 0  Re: Topological equivalence
S = Sphere, S^2 = surface of globe, 2D sphere # = glueing 

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equivalence, topological 
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