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\begin{document}

\lecture{Lecture XX: Communication Complexity}{DATE OF LECTURE}{Instructor:\hspace{0.08cm}\emph{Toniann Pitassi}}{\emph{YOUR NAME}}

\section{Introduction}

The class is about communication complexity...

\section{Course Topics}
\textbullet{} Deterministic Communication \\
....


\section{Problem: Set Disjointness}

In this problem, we have to...



\begin{theorem}
$D^{cc}(DISJ) = \Theta(n)$.
\end{theorem}
\begin{proof}
  The proof is ...
\end{proof}

\end{document}