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when toggle format what by license comment
Jul 25, 2012 at 18:03 comment added shenghao maybe PD with polarization.
Jul 25, 2012 at 14:17 comment added Will Sawin This sounds like homework. If so, you should ask it on math.stackexchange.com. That said, try the Riemann hypothesis instead of Poincare duality.
Jul 25, 2012 at 12:58 history edited user12832 CC BY-SA 3.0
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Jul 25, 2012 at 12:49 history asked user12832 CC BY-SA 3.0