13,416 reputation
72860
bio website
location
age
visits member for 2 years, 9 months
seen 7 hours ago

Dec
30
reviewed Leave Open There are two cars…
Dec
30
reviewed Leave Open Borel and $\sigma$-algebra
Dec
29
comment Does my “Prime Factor Look-and-Say” sequence always end?
It seems odd to me that you declare primes to be stopping points as opposed to just prepending a $1$ (i.e., $3$ = "one three" -> $13$).
Dec
29
reviewed Close How to prove this GCD theorem
Dec
29
reviewed Leave Open If $m$, $n$, $ p$, and $q$ are positive integers with $m<n$ and $p<q$, then $n^2+m=q^2+p$ if and only if $m=p$ and $n=q$
Dec
29
reviewed Close Lebesgue integral of a bounded measurable function over a measurable subset of a measurable set of finite measure.
Dec
29
reviewed Leave Open What does it mean that the product of two vectors produces real number?
Dec
29
reviewed Leave Open Prove that a $1$-periodic function $\phi$ is constant if $\phi(\frac{x}{2}) \phi(\frac{x+1}{2})$ is a constant multiple of $\phi$
Dec
29
reviewed Close If $f(x+a)$ is irreducible over $F$ then $f(x)$ is irreducible over $F$
Dec
29
reviewed Close A combinatorial game theory problem
Dec
28
reviewed Close Prove that : $x^n+4$ is irreducible in $\mathbb{Z}[x]$.
Dec
28
reviewed Leave Open Verification of theorem
Dec
28
reviewed Close Show that two power series have the same radius of convergence
Dec
28
answered If a set is closed, why is that set intersected with a compact set closed?
Dec
28
reviewed Close Why is sample variance divided by $n-1$ and not $n$
Dec
28
reviewed Leave Open Why do I get $0.098765432098765432…$ when I divide $8$ by $81$?
Dec
28
reviewed Close How to solve complex equation, all values?
Dec
28
reviewed Leave Open Does a closed surface in the 3-sphere bound a handlebody?
Dec
28
reviewed Leave Open How to formally prove the negation of a statement “A if and only if B”?
Dec
28
reviewed Close finding slope of a curve using derivative formulas