I try to write a inline formula including a greater than sign:

$A < B$

If I use the above formula in an empty document it works fine, but in my full document it will just not show up. But I can see the additional space that is included due to the presence of the "greater than" sign.

I am using LyX with the classicthesis format.

Any Ideas where I could start looking?


I've found the solution. I have set the default roman font in the LyX document, which I did not want to.

\font_roman utopia

This has caused the problem.

As for the minimal working example. I did not find a good way to do this with LyX, as it is not generating soucecode as Latex does. And LyX documents are not mentionend in the default MWE article.


  • 1
    what do you have in your preamble? (Document->Setting->Preamble)
    – user2478
    Mar 3, 2014 at 11:02
  • 1
    Provide a minimal working example. Mar 3, 2014 at 11:13
  • And by the way, welcome to TeX.SX! You can have a look at our starter guide to familiarize yourself further with our format.
    – crixstox
    Mar 3, 2014 at 12:02
  • My preamble has \usepackage{acronym}. Is there a way to upload the minimal example on this website?
    – Luis
    Mar 3, 2014 at 12:09
  • 1
    Please do not link to an external zip file. Instead, please edit your question to add a minimal working example (MWE).
    – jub0bs
    Mar 3, 2014 at 12:26

1 Answer 1


The problem occurs because of a conflict between classicthesis and the fourier package, which is loaded because you've set Utopia as the Roman font. Set the Roman font to Default in Document --> Settings --> Fonts, and things should work fine.

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