\dotsm
The \dotsm command in LaTeX is used to produce ellipsis (three dots) in mathematical expressions, specifically for denoting multiplication. It ensures proper spacing in mathematical contexts where multiplication is implied, such as in sequences of factors.
Indicating multiplication across a sequence of terms
a \dotsm b \dotsm c
Product of a sequence of variables
x_1 \dotsm x_2 \dotsm x_n
Multiplying a sequence of numbers
2 \dotsm 3 \dotsm 4 = 24