\documentclass[aspectratio=43]{beamer}
\usepackage[english]{babel}
\input{chapters/preamble}
\title{My Presentation} %->->->->-> Check hyperref title <-<-<-<-<-
\subtitle{And Some Things About It}
\author[J. Doe]{John Doe}
\institute[IFUSP]{
    Institute of Physics%
    \\%
    University of São Paulo%
} %You can change the Institution if you are from somewhere else
\date{February 31, 2019}
%\logo{\includegraphics[width= 0.2\textwidth]{images/a-logo.png}}
\begin{document}
    
    \frame{\titlepage}
    
    \begin{frame}{Summary}
        \tableofcontents
    \end{frame}
    
    \input{chapters/a-silly-idea.tex} %You can put the frames directly into the presentation, but using the input command and writing them in separate .tex files might be more organized
    
    \input{chapters/playing-around.tex}
    
    \input{chapters/fourier-playground.tex}
    
    \section*{Acknowledgments} %You can remove this if you do not want to use it
        \begin{frame}{Acknowledgments}
            The author is extremely thankful to Prof. Antônio F. R. T. Piza for the short, yet wonderful, conversations about this seminar.
        \end{frame}
    
    \section*{References} %You can remove this if you do not want to use it
        \nocite{Djairo} \nocite{PhilPanof} \nocite{Fleming} \nocite{Shankar}
        \begin{frame}{References}
            \printbibliography
        \end{frame}
    \section{}
    \begin{frame}{}
        \centering
            \Huge\bfseries
        \textcolor{orange}{The End}
    \end{frame}
\end{document}