\documentclass[12pt]{beamer} \usepackage[english]{babel} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{lmodern} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{mathtools} \usepackage{ulem} \usepackage{xcolor} \usetheme{edmaths} \title{Bridgeland Stabilities and Finding Walls} \subtitle{} \author{Luke Naylor} \institute{University of Edinburgh} \date{March 2023} \newcommand\RR{\mathbb{R}} \newcommand\CC{\mathbb{C}} \newcommand\centralcharge{\mathcal{Z}} \newcommand\coh{\operatorname{Coh}} \newcommand\rank{\operatorname{rk}} \newcommand\degree{\operatorname{deg}} \begin{document} \begin{frame} \titlepage \end{frame} \section{Transitioning to Stab on $D^b(X)$} \begin{frame}{Central Charge} \begin{align*} \centralcharge \colon \coh(X) &\to \CC \\ E &\mapsto - \degree(E) + i \rank(E) \end{align*} \end{frame} \section{Section 1} \section{Section 2} \subsection{Subsection 2.1} \end{document}