\documentclass{beamer}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usetheme{Cuerna}
\usecolortheme{default}
\logo{\includegraphics[width=1.7cm]{bluesimplex.png}}
\title{A rather long title without specific meaning}
\author{Geri Ochoa\\
\texttt{geri@bluesimplex.com}}
\date{Important Congress 2016}
\institute{Institute of Mathematics, Great University}
\begin{document}
\begin{frame}
\titlepage
\end{frame}
\section{Introduction}
\begin{frame}
\frametitle{Title of the slide}
\framesubtitle{Subtitle}
Some text on top of this slide
\[
\int_{0}^{\infty} \frac{5x^2}{\sqrt{a+b}}\, dx
\]
\begin{itemize}
\item[\checkmark] Fist item in the list
\item Second item
\item Another item
\item And finally, the last item
\end{itemize}
\end{frame}
\end{document}
