math mode - How do you get \mathbb{1} to work (characteristic function of a set)? - TeX - LaTeX Stack Exchange
Using mathbb{1} with IEEEtran - TeX - LaTeX Stack Exchange
Indicator function - Wikipedia
Solved { • additional problem 2: For the following, we | Chegg.com
MathType - The indicator function of the rational numbers is also known as Dirichlet function. Dirichlet was the first to study this types of functions, which are nowhere continuous #Analysis #MathType | Facebook