A binary operator symbol representing multiplication or composition with a centered dot between terms.
Examples
Function composition notation
(f \centerdot g)(x) = f(g(x))
Group operation notation
a \centerdot b = b \centerdot a \text{ (commutative property)}
Vector dot product alternative notation
\vec{u} \centerdot \vec{v} = \sum_{i=1}^n u_i v_i