beamerstyle.sty

\usepackage{url}
\usepackage{dsfont}
\usepackage{algorithmic}

\mode<presentation>

%\newif\ifbeamer@secheader
%\beamer@secheaderfalse
%
%\DeclareOptionBeamer{secheader}{\beamer@secheadertrue}
%\ProcessOptionsBeamer

\usecolortheme{whale}
\usecolortheme{orchid}
\useinnertheme[shadow]{rounded}
%\usepackage{beamerouterthemeklb}
%\useoutertheme{infolines}
\usefonttheme[onlysmall]{structurebold}

%\ifbeamer@secheader\else\setbeamertemplate{headline}[default]\fi

% Tills' opinion: should be done in an inner theme, not here.

%\usesubitemizeitemtemplate{\tiny\raise1.5pt\hbox{\donotcoloroutermaths$\blacktriangleright$}}
%\usesubsubitemizeitemtemplate{\tiny\raise1.5pt\hbox{\donotcoloroutermaths$\bigstar$}}

\mode
<all>

\DeclareMathOperator*{\TimesOp}{\huge{\times}}
%\usepackage{../texinputs/cibeamer}

% Zapf Chancery font: the only way I found of getting lowercase script letters
\DeclareFontFamily{OT1}{pzc}{}
\DeclareFontShape{OT1}{pzc}{m}{it}{<-> s * [1.200] pzcmi7t}{}
\DeclareMathAlphabet{\mathscr}{OT1}{pzc}{m}{it}
\usefonttheme[onlymath]{serif}

\AtBeginSection[]{
\begin{frame}<beamer>
\frametitle{Lecture Overview}
\tableofcontents[currentsection]
\end{frame}
}

\def\qedsymbol{}