1,660 reputation
414
bio website reddit.com/r/…
location meatspace
age
visits member for 2 years, 4 months
seen 16 hours ago

when someone smiles at me, all I see is an ape bearing its teethe


Mar
11
accepted Prove the set of sequences $c_0$ which converge to zero in $l_{\infty}$ is closed.
Jan
29
accepted Prove this matrix is invertible for $n < m-1$
Oct
5
accepted Prove that $\frac{d}{dx}\int_0^xf(x,y)dy = f(x,x)+\int_0^x\frac{\partial}{\partial x}f(x,y)dy$
Sep
25
accepted Let $b_n$ decrease monotonically to zero, prove $\sum b_nz^n$ converges for $|z|\leq 1$ and $z\neq 1$
Aug
18
accepted Question on sufficient statistics
Aug
18
accepted Show that $(x+1+O(x^{-1}))^x = ex^x + O(x^{x-1})$ for $x\rightarrow \infty$
Aug
15
accepted Calculating a probability mass function (sufficient statistic)
Jul
22
accepted Sampling 100 widgets to test for defective ones
Jul
6
accepted Prove that the number of ways to put $n$ distinct balls into $n$ distinct boxes is $n^n$
Jun
4
accepted Understanding Conditional Expectation
May
29
accepted Rigorous proof that $\int_{\Omega}X\;dP=\int_{-\infty}^{\infty}xf(x)\;dx$
May
29
accepted For $\mu(X)<\infty$ and $f_n<\infty$ a.e. s.t. $\forall M$ $\exists n$ s.t. $\mu(\{f_n>M\})\geq\delta$, then $f_n$ diverges on set of positive measure
May
25
accepted An alternate proof of Egorov's Theorem
May
17
accepted The semifinite portion of a measure $\mu$
May
16
accepted Counterexample to upper continuity
May
8
accepted Using the Residue Theorem for a contour integral along the Riemann sphere
Apr
15
accepted Show that the countable product of metric spaces is metrizable
Apr
14
accepted Let $(X,\large\tau)$ be a normal topology, then show that the weak topology induced by the cont. real-valued functions on $X$ is $\large\tau$
Mar
23
accepted Prove that the closed unit ball of $L^2[a,b]$ is closed in $L^1[a,b]$
Mar
3
accepted Prove that $\displaystyle\mathbb{Q}_p$ always contains $p$ solutions to the equation $x^p-x=0$