Timeline for What is the quantity 2(handles)+crosscaps called?
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May 6, 2011 at 7:44 | comment | added | Tony Huynh | Thanks very much for your answer. I agree that n-holed torus is immensely confusing. | |
May 6, 2011 at 4:03 | history | answered | Bill Thurston | CC BY-SA 3.0 |