How to print the "A" and "D" that looks like the graphs? I tried to use \textit but it does not work?
\documentclass{article}\begin{document}$\mathcal{AD}$\end{document}
\mathcal{A}
\mathcal{D}
\documentclass{article}\begin{document}$\mathcal{AD}$\end{document}– LaRiFaRi Aug 12 '15 at 13:29\mathcal{A}and\mathcal{D}– Philipp Imhof Aug 12 '15 at 13:30