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beamer 中的 \titlepage 问题

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beamer 中的 \titlepage 问题

当我把序言放进去的时候。它有几个警告，

PDF 字符串中不允许使用标记 (Unicode)

因为我$^1$在标题中使用了。

然后当我放入文档时，出现警告。我该如何解决？谢谢

选项“pdfauthor”已被使用

我的MWE

\documentclass[presentation]{beamer}
\let\Tiny\tiny
\usepackage{hyperref}
\usetheme{Berkeley}
\begin{document}

\renewcommand{\thefootnote}{$\aleph$}


\title[Cross]{\large Experimental Studies %
\thanks{\scriptsize Project supported by foundation:  Supported by the National Nature Science Foundation}}
\author[A,B,C]{A$^1$,
B$^1$
and C$^2$}
\institute[Fluid Mechanics]{$^1$Department of Mechanics \& Engineering Science\\
$^2$College of Science}
\date[The second presentation, 2013]{The second presentation, 2013}
%\logo{\includegraphics[height=16pt]{picture/Fudanlog.PNG}}
\date[\initclock\tdtime]{\today}

\begin{frame}
\titlepage
\end{frame}

\section{A section}
\subsection{A subsection}
\begin{frame}
  \frametitle{Frame title1}
  \framesubtitle{frame subtitle1}
  Some text s
\end{frame}
\end{document}

答案1

您可以使用\inst{number}其中的命令beamer来指示作者所在的机构，而不必使用数学上标。

\documentclass[presentation]{beamer}
\let\Tiny\tiny
\usepackage{hyperref}
\usetheme{Berkeley}
\begin{document}

\renewcommand{\thefootnote}{$\aleph$}


\title[Cross]{\large Experimental Studies %
\thanks{\scriptsize Project supported by foundation:  Supported by the National Nature Science Foundation}}
\author[A,B,C]{A\inst{1}  \and B\inst{2}  \and C\inst{2}}

% Old style
%\author[A,B,C]{A$^1$,
%B$^1$
%and C$^2$}
\institute[Fluid Mechanics]{$^1$Department of Mechanics \& Engineering Science\\
$^2$College of Science}
\date[The second presentation, 2013]{The second presentation, 2013}
%\logo{\includegraphics[height=16pt]{picture/Fudanlog.PNG}}
\date[\initclock\tdtime]{\today}

\begin{frame}
\titlepage
\end{frame}

\section{A section}
\subsection{A subsection}
\begin{frame}
  \frametitle{Frame title1}
  \framesubtitle{frame subtitle1}
  Some text s
\end{frame}
\end{document}

编辑我的屏幕截图在顶部被裁剪，只是为了缩小尺寸。

在此处输入图片描述

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