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 Aug 19 awarded Yearling Oct 19 awarded Nice Answer Sep 15 awarded Enlightened Sep 15 awarded Nice Answer Aug 26 revised Simple question about an exemple in covers Formatting and tag corrections Aug 19 awarded Yearling May 23 reviewed Reject Why is $\Gamma\left(\frac{1}{2}\right)=\sqrt{\pi}$ ? May 17 awarded Custodian May 17 reviewed Approve Equation of the complex locus: $|z-1|=2|z +1|$ May 2 awarded Nice Question Aug 19 awarded Yearling Jul 26 awarded Necromancer Nov 7 comment Homotopy hypothesis and other geometric objects @JoeJohnson126 Homotopy hypothesis. Essentially, it says that spaces up to weak equivalence = $\infty$-groupoids. Nov 7 comment Homotopy hypothesis and other geometric objects What are "other geometric objects"? Oct 3 revised Why is kernel important? edited tags Oct 3 comment Prove $0! = 1$ from first principles Wow, I've been coding too much lately and read this question as asking to show 0 != 1, (or for the non coders $0\neq 1$). Oct 1 awarded Civic Duty Sep 27 comment Show that $x \ln(ex) - \sqrt{x}\geq 0$ for all $x\geq 1$ @JulianAssange See my answer... Sep 27 answered Show that $x \ln(ex) - \sqrt{x}\geq 0$ for all $x\geq 1$ Sep 11 comment Direct and inverse limits of sheaves It's worth mentioning that the reason the presheaf limit of a diagram of sheaves is a sheaf while the same need not be true for colimits is because the forgetful functor from sheaves to presheaves is a right adjoint and so preserves limits (its left adjoint is the sheafification functor.)