6KiB, 187x250, 1571645809436s.jpg View SameGoogleiqdbSauceNAO Anonymous Fri 25 Oct 01:05:38 2019 No.11089093 ViewReplyOriginalReport Quoted By: >>11089105 >>11089106 >>11089164 >>11090363 What ideas are used in itzhak perlman's proof of the poincare conjecture?