# Tag Info

8

This is imho due to the problem described here Ligatures are not used in OpenType maths families?. Ligatures and kernings of open type fonts are not used in math mode. You can as suggested by egreg switch to "classical" math fonts. With luatex you can also load the operator font in base mode: \documentclass{scrartcl} \usepackage{amsmath} ...

8

You should load fontspec with the no-math option. And yes, you should also load lmodern for using the Latin Modern (legacy) math fonts. Without it the math fonts would be the usual Computer Modern ones. \documentclass{scrartcl} \usepackage{amsmath} \usepackage{lmodern} \usepackage[no-math]{fontspec} \usepackage{microtype} \begin{document} ...

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