What does the notation $\mathcal{O}\left(\frac{1}{r^2}\right)$ mean?
114019
What does the term $\mathcal O(\epsilon^2)$ mean?
13111
What does this $\asymp$ symbol mean? (subject: analytic number theory)
126859
$\Bbb Z^\ast$ What is this notation?
65069
What is the double bracket notation used here?
33278
$\delta$ differential notation
60665
Meaning of $\mathbb{Z}\left[\sqrt{3}\right]$?
120403
Math notation in LaTeX?
136652
Closed form expression for the product $\prod\limits_{k=1}^{n}\left(1 - \frac{1}{ak}\right)$
84199
What does the $\|$ operation mean in cryptographic notation?
130497
Understanding Dirac's notation
120235
Clarification of the notation $f: \mathbb{R} \setminus\{3\} \to\mathbb{R}\setminus\{2\}$
63672
Understanding a particular evaluation of $\prod\limits_{n=2}^{\infty}\left(1-\frac{1}{n^3}\right)$
96112
Differentiating $ \left( 1 - \frac {1}{x} \right)^x $
20988
Notation for specifying the fractional part of a number
11389
What is $\lim_{n\to \infty}\sum_{k=1}^n \left(\frac{k}{n}\right)^n$?
64344
Notation question: $\ll$
72568
Calculation of $\lim_{n\to \infty}\prod_{r=1}^{n} \left(1+\frac{r}{n}\right)^{\frac{1}{n}}$