\makeatletter
+%
+%
+% The \committee command
+%
+%
+\def\committee{\@dblarg\beamer@committee}
+\long\def\beamer@committee[#1]#2{%
+ \def\beamer@temp{#2}%
+ \ifx\beamer@temp\@empty
+ \def\insertcommittee{}
+ \else
+ \def\insertcommittee{\def\inst{\beamer@committee}\def\and{\beamer@andcommittee}#2}%
+ \fi
+ \def\beamer@shortcommittee{#1}}
+\committee{}
+
+\def\beamer@instcommittee#1{{\donotcoloroutermaths$^{#1}$}\ignorespaces}
+\def\beamer@andcommittee{\\[1em]}
+
+\newcommand\insertshortcommittee[1][]{%
+ {%
+ \let\thanks=\@gobble%
+ \def\inst{\beamer@committeeother}\def\and{\beamer@andcommittee}%
+ \beamer@setupshort{#1}%
+ \beamer@insertshort{\beamer@shortcommittee}%
+ }}
+
+
\setbeamertemplate{title page}
{
\begin{centering}
\end{beamercolorbox}
\fi
\begin{beamercolorbox}[sep=4pt,center]{date}
- \usebeamerfont{date}\insertdate
+ \usebeamerfont{date}\insertcommittee
\end{beamercolorbox}
% {\usebeamercolor[fg]{titlegraphic}\inserttitlegraphic\par}
\vfill