Reputation
9,485
Top tag
Next privilege 10,000 Rep.
Access moderator tools
Badges
1 10 28
Impact
~75k people reached

1d
asked why is $\zeta(1+it) \neq 0$ equivalent to the prime number theorem?
2d
asked Computing the intersection of two arithmetic sequences $(a\mathbb{Z} + b) \cap (c \mathbb{Z} + d)$
2d
asked Can the numbers $2^m 3^n$ have an infinitely long arithmetic sequence?
Jul
25
asked Can $O(\sqrt{x})$ be considered $o(x)$?
Jul
19
asked Product of complex numbers $m+in$ with $0 < m,n \leq N$
Jul
18
answered determining which cyclotomic polynomial is $x^8 -x^4+1$
Jul
16
answered If $p\equiv1\pmod{4}$ is a prime, then $-4$ and $(p-1)/4$ are both quadratic residues of $p$.
Jul
9
answered How prove this inequality $(1+\frac{1}{16})^{16}<\frac{8}{3}$
Jul
6
answered Let $A \subset \mathbb Z^3$ / $|A| < \infty$. Prove that: $|A| \le \sqrt{|A_x| |A_y| |A_z|}$
Jul
6
asked Does $ \sum_{(m,n) \neq (0,0)} \frac{(-1)^{m+n}}{m^2 + n^2} $ have an exact value?
Jul
6
answered Sum: $1-2+3-4+5-6+…$
Jul
6
answered Extending 2-adic valuation to real numbers
Jun
29
answered Is there something between summation and integration?
Jun
28
asked How to derive $\sum_{n=0}^\infty 1 = -\frac{1}{2}$ without zeta regularization
Jun
28
answered What we get if we add 1/2 infinite times
Jun
28
answered Proof $\{(x,y,z)|4x^2+9y^2+16z^2<1\}$ is an open set
Jun
23
answered Arnold Trivium Problem 39
Jun
23
answered Why does $\cos(x) + \cos(y) - \cos(x + y) = 0$ look like an ellipse?
Jun
22
answered What is the connection between the discriminant of a quadratic and the distance formula?
Jun
21
answered Proving $e^x \sin x$ is not uniformly continuous on $[0,\infty)$