Solution to $\frac{d}{d\frac{1}{x}} x$

Solving an exponential equation with different bases

$f_*$ induces an isomorphism in homology iff the mapping cone of $f_*$ is contractible.

Let $f:\mathbb{R}\rightarrow\mathbb{R}$ be a function such that $f'(x)$ is continuous and $|f'(x)|\le|f(x)|$ for all $x\in\mathbb{R}$

$-1$ as the only negative prime.

Exploding (a.k.a open-ended) dice pool

$p = \sqrt{1+\sqrt{1+\sqrt{1 + \cdots}}}$; $\sum_{k=2}^{\infty}{\frac{\lfloor p^k \rceil}{2^k}} = ? $

Analyticity of $\overline {f(\bar z)}$ given $f(z)$ is analytic

Is every monomorphism an injection?

If $a$ is an integer, prove that $gcd(14a + 3, 21a + 4) = 1$

Quadratic integer ring with universal side divisor?

Expected value problem with cars on a highway

Does $\operatorname{Spec}$ preserve pushouts?

Related