Reputation
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14m
revised Periodic orbits of “even” perturbations of the differential system $x'=-y$, $y'=x$
added 12 characters in body
21m
revised Periodic orbits of “even” perturbations of the differential system $x'=-y$, $y'=x$
added 105 characters in body
45m
revised Periodic orbits of “even” perturbations of the differential system $x'=-y$, $y'=x$
added 108 characters in body
10h
revised Periodic orbits of “even” perturbations of the differential system $x'=-y$, $y'=x$
added 143 characters in body
10h
revised Values of the sums $\sum\limits_{k=1}^{n}\cos^4(πk/(2n+1))$
deleted 18 characters in body; edited title
12h
revised Must all Lebesgue integrable functions really be invertible?
added 5 characters in body
1d
revised CDF of the difference of two Gaussian mixtures
added 42 characters in body
1d
revised Is this:$\sum_{n=1}^{\infty}{(-1)}^{\frac{n(n-1)}{2}}\frac{1}{n}$ a convergent series?
added 2 characters in body
2d
revised sign of the conditional expectation
added 16 characters in body; edited tags
Jul
25
revised Conditional distribution of $X$ exponential given $U\leq e^{-X}$, with $U$ uniform on $(0,1)$
edited title
Jul
24
revised Help Integrating $I=\int\Phi\left(\frac{p}{\sqrt{q+rx}}\right)dx$
added 134 characters in body
Jul
24
revised Calculate expectation of a geometric random variable
edited body
Jul
24
revised Calculate expectation of a geometric random variable
edited body
Jul
24
revised Check whether $\sum\limits_{n=1}^{\infty}\frac{z^n}{(1-z^n)^k}=\sum\limits_{n=1}^{\infty}\sigma_{k-1}(n)z^n$
added 119 characters in body
Jul
24
revised Probability with intersecting normal distributions
deleted 1 character in body
Jul
23
revised Proving $f(x)=1/x$ on $(0,1 )$ is not uniformly continuous
edited body
Jul
23
revised Does the series $\sum\limits_{n=1}^\infty \frac{1}{n\sqrt[n]{n}}$ converge?
added 2 characters in body; edited title
Jul
23
revised Evaluate $ \int_{25\pi/4}^{53\pi/4}\frac{1}{(1+2^{\sin x})(1+2^{\cos x})}dx $
deleted 9 characters in body; edited title
Jul
23
revised Computing $\lim\limits_{n\to\infty}(1+1/n^2)^n$
added 19 characters in body; edited title
Jul
23
revised If $m\geq2$ is an integer, then $\sum\limits_{n=1}^{\infty}m^{-n^2}$ is irrational
added 16 characters in body