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 Feb21 awarded Yearling Dec21 revised Show that $\left| \mathbb{P}(X=m)-\mathbb{P}(Y=m) \right| \le \mathbb{P}(Y\ne X)$ edited the title and the probability notation Dec21 suggested approved edit on Show that $\left| \mathbb{P}(X=m)-\mathbb{P}(Y=m) \right| \le \mathbb{P}(Y\ne X)$ Dec20 revised Does $\theta(n)$ = $1/x$ make any sense? edited the notation Dec20 suggested approved edit on Does $\theta(n)$ = $1/x$ make any sense? Dec20 awarded Constituent Dec15 awarded Caucus Oct2 revised How to prove the eigenvalues of tridiagonal matrix? corrected spelling Oct2 suggested approved edit on How to prove the eigenvalues of tridiagonal matrix? Sep30 awarded Explainer Jul2 awarded Curious Feb21 awarded Yearling Dec30 comment Evaluate $\sum_{n=1}^{\infty} \frac{\ln n}{(n+1)!}$ You may use Stirling's approximation. Dec28 asked Sources on Inverse Spectral Theory Dec6 comment Sufficient statistic for uniform distribution Check the Fisher–Neyman factorization theorem. Nov19 revised Show $f(x) = (x^4+x^2+1)/(x^3+1)$ is $O(x)$ added 1 characters in body Nov19 revised Show $f(x) = (x^4+x^2+1)/(x^3+1)$ is $O(x)$ deleted 1 characters in body Nov18 revised Show $f(x) = (x^4+x^2+1)/(x^3+1)$ is $O(x)$ added 50 characters in body Nov18 answered Show $f(x) = (x^4+x^2+1)/(x^3+1)$ is $O(x)$ Nov16 awarded Informed