\bullet
The \bullet operator is used to represent a variety of operations, often indicating a form of multiplication or a placeholder for an operation. It is commonly used in mathematical expressions to denote a dot product or other binary operations.
Binary operation using the bullet symbol
a \bullet b = c
Dot product of two vectors resulting in zero
\vec{u} \bullet \vec{v} = 0
Sequence of operations using the bullet symbol
x \bullet y \bullet z