What is this math symbol and its latex representation?

Question

What symbol is the one after the word "code" above? Is this \varrho or just the @ symbol? How do I pronounce it?

\[
\varrho
\]

Welcome! Do not use $$...$$ in LaTeX. It was deprecated 20+ years ago with the introduction of LaTeX-2e. (It is correct in plain TeX but you are asking about LaTeX.) Use \[...\] instead, for example. — cfr, Dec 15 '15 at 02:08
Seems to be a capital C in some calligraphic font, close to Dutch-bcal (but distinct). — Bernard, Dec 15 '15 at 02:23
Who is the author of that text? Maybe you could ask them directly. — cryingshadow, Dec 15 '15 at 02:28
Looks a lot like the capital C is the calligraphic Euler fonts. See http://texdoc.net/texmf-dist/doc/fonts/amsfonts/euscript.pdf But seems also slightly different. — Willie Wong, Dec 15 '15 at 03:51
I would go with \usepackage[mathscr]{euscript} and $\mathscr{C}$ ... — Werner, Dec 15 '15 at 08:01
@cryingshadow this was a paper "On the Construction of Comma-Free Codes" by William Eastman published in 1965. — Senthil Kumaran, Dec 15 '15 at 13:23
We'd need more context to guess what this means, and thus what symbol that is. — vonbrand, Jan 14 '16 at 00:08

score 1 · Answer 1 · answered Nov 01 '16 at 11:36

For the context in the given article this is clear a calligraphic version of a captial C. The consensus in the comments is that the closest standard LaTeX equivalent is provided by the euscript font:

\documentclass{article}

\usepackage[mathscr]{euscript}

\begin{document}

\( \mathscr{C} \)

\end{document}

What is this math symbol and its latex representation?

1 Answers1