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 Sep 16 revised Flaw in this proof by induction cdot instead of asterisk Sep 16 suggested approved edit on Flaw in this proof by induction Sep 3 revised How many times this formula will be used? A bit of LaTeX Sep 3 suggested approved edit on How many times this formula will be used? Sep 3 comment Choosing a smooth function with desirable properties Even if not, can't we just choose $\psi(x) = \int_x^1 \phi(y)\,\mathrm dy$? Sep 3 comment The (matrix) definition of a positive-definite function As long as you're not hanging out in $L$ spaces that has nothing to do with each other. As the function is supposed to be $f\colon \mathbb{R}\to\mathbb{C}$ it has to be defined for all $x\in\mathbb{R}$. Sep 3 comment The (matrix) definition of a positive-definite function Why would "any real numbers" imply continuity? May 19 revised What is the difference between homotopy and homeomorphism? added 4 characters in body Apr 14 revised Extend ${\bigl(1+\frac1x\bigr)}^{{x}}$ to $\overline{\mathbb R}$ A lot of TeX Apr 14 suggested approved edit on Extend ${\bigl(1+\frac1x\bigr)}^{{x}}$ to $\overline{\mathbb R}$ Apr 14 revised show that $g(x)= x^n f(\frac 1x) \in \Bbb F[x].$ where $\Bbb F$ is a field A lot of TeX Apr 14 suggested approved edit on show that $g(x)= x^n f(\frac 1x) \in \Bbb F[x].$ where $\Bbb F$ is a field Dec 18 revised Proving only the summation part of Cauchy-Schwarz TeXed the text. Dec 18 suggested approved edit on Proving only the summation part of Cauchy-Schwarz Dec 15 awarded Caucus Nov 29 revised Prove that there is no number that divides both n and n+1 Nicer LaTeX Nov 29 revised Prove that there is no number that divides both n and n+1 Improved tex Nov 29 suggested approved edit on Prove that there is no number that divides both n and n+1 Nov 29 suggested approved edit on Prove that there is no number that divides both n and n+1 Nov 14 revised $L^{\infty}$ norm is bounded by $L^2$ norm for holomorphic functions Improved readability