Multiple multiplication dots in a row

Question

What would be a correct way to write this (or is there another correct way)? Thank you!!

    \documentclass[12pt]{article}

    \usepackage{amsmath,amsthm,amssymb,amsfonts}


    \begin{document}
    \begin{gather*}
        x_1\cdot x_2 \cdot \dotsm \cdot x_n \\
        x_1\cdot x_2 \cdot \dotsc \cdot x_n \\
        x_1\cdot x_2 \cdot\, \dotsm \,\cdot x_n
    \end{gather*}
    \end{document}

I would think none of the above, but x_1\cdot x_2 \dotsm x_n, but that is just me. Welcome to the site. — Steven B. Segletes, Nov 17 '16 at 13:20
This may off topic, but why not use \prod_{i = 1}^{n} x_{i}? — Manuel Weinkauf, Nov 17 '16 at 13:44
Related: http://tex.stackexchange.com/questions/122491/difference-of-the-dots — egreg, Nov 17 '16 at 13:50

score 9 · Answer 1 · answered Aug 04 '17 at 01:07

From the "The Chicago Manual of Style", 16th edition, paragraph 12.20:

If the multiplication dot is present, then ellipsis points should be on the baseline and not centered.

\documentclass[10pt]{article}
\usepackage{amsmath}

\begin{document}
$a_1\cdot a_2 \cdot\ldots\cdot a_n$\quad not\quad
$a_1\cdot a_2 \cdot\dots\cdot a_n$
\end{document}

Multiple multiplication dots in a row

1 Answers1