I'm creating a presentation in Beamer which uses the split theme. If I use math mode in a subsection title, then I get error message when compiling the file. The same does not happen for the section titles. A minimal example is given below:



\section{A title}
\subsection{\texorpdfstring{\(\Delta\geq6\)}{Delta at least 6}}


Note that you need to run LaTeX twice to produce the error.

  • 1
    I don't get the error by the above code.
    – user11232
    Oct 8, 2015 at 10:29
  • Strange. I get the following error: line 10: Bad math environment delimiter. \end{frame} followed by several more errors. This is the version I'm using: This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian) (format=pdflatex 2014.10.3)
    – nvcleemp
    Oct 8, 2015 at 11:09
  • 1
    Texlive 2013 is toooo old. You may have to update.
    – user11232
    Oct 8, 2015 at 11:10
  • Unfortunately this is the version that comes with Ubuntu 14.04 LTS.
    – nvcleemp
    Oct 8, 2015 at 11:12

1 Answer 1


Using $ for math mode works (with pdflatex):

\subsection{\texorpdfstring{$\Delta\geq6$}{Delta at least 6}}

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