\newcommand{\cA}{\mathcal{A}}
 \newcommand{\cB}{\mathcal{B}}
 \newcommand{\cC}{\mathcal{C}}
 \newcommand{\cD}{\mathcal{D}}
 \newcommand{\cE}{\mathcal{E}}
 \newcommand{\cF}{\mathcal{F}}
 \newcommand{\cG}{\mathcal{G}}
 \newcommand{\cH}{\mathcal{H}}
 \newcommand{\cI}{\mathcal{I}}
 \newcommand{\cJ}{\mathcal{J}}
 \newcommand{\cK}{\mathcal{K}}
 \newcommand{\cL}{\mathcal{L}}
 \newcommand{\cM}{\mathcal{M}}
 \newcommand{\cN}{\mathcal{N}}
 \newcommand{\cO}{\mathcal{O}}
\newcommand{\cP}{\mathcal{P}}
\newcommand{\cQ}{\mathcal{Q}}
\newcommand{\cR}{\mathcal{R}}
\newcommand{\cS}{\mathcal{S}}
 \newcommand{\cT}{\mathcal{T}}
 \newcommand{\cU}{\mathcal{U}}
 \newcommand{\cV}{\mathcal{V}}
 \newcommand{\cW}{\mathcal{W}}
 \newcommand{\cX}{\mathcal{X}}
 \newcommand{\cY}{\mathcal{Y}}
 \newcommand{\cZ}{\mathcal{Z}}


 \newcommand{\A}{\mathbb{A}}
 \newcommand{\B}{\mathbb{B}}
\newcommand{\C}{\mathbb{C}}
\newcommand{\D}{\mathbb{D}}
 \newcommand{\E}{\mathbb{E}}
 \newcommand{\F}{\mathbb{F}}
\newcommand{\G}{\mathbb{G}}
 \renewcommand{\H}{\mathbb{H}} % old \H{x} is an x with a weird umlaut in text mode
\newcommand{\I}{\mathbb{I}}
 \newcommand{\J}{\mathbb{J}}
 \newcommand{\K}{\mathbb{K}}
 \renewcommand{\L}{\mathbb{L}}
 \newcommand{\M}{\mathbb{M}}
 \newcommand{\N}{\mathbb{N}}
 \renewcommand{\O}{\mathbb{O}}
 \renewcommand{\P}{\mathbb{P}}
 \newcommand{\Q}{\mathbb{Q}}
 \newcommand{\R}{\mathbb{R}}
\renewcommand{\S}{\mathbb{S}}
 \newcommand{\T}{\mathbb{T}}
 \newcommand{\U}{\mathbb{U}}
 \newcommand{\V}{\mathbb{V}}
 \newcommand{\W}{\mathbb{W}}
\newcommand{\X}{\mathbb{X}}
\newcommand{\Y}{\mathbb{Y}}
  \newcommand{\Z}{\mathbb{Z}}


  \newcommand{\sA}{\mathsf{A}}
 \newcommand{\sB}{\mathsf{B}}
 \newcommand{\sC}{\mathsf{C}}
 \newcommand{\sD}{\mathsf{D}}
 \newcommand{\sE}{\mathsf{E}}
 \newcommand{\sF}{\mathsf{F}}
 \newcommand{\sG}{\mathsf{G}}
 \newcommand{\sH}{\mathsf{H}}
 \newcommand{\sI}{\mathsf{I}}
 \newcommand{\sJ}{\mathsf{J}}
 \newcommand{\sK}{\mathsf{K}}
 \newcommand{\sL}{\mathsf{L}}
 \newcommand{\sM}{\mathsf{M}}
 \newcommand{\sN}{\mathsf{N}}
 \newcommand{\sO}{\mathsf{O}}
\newcommand{\sP}{\mathsf{P}}
\newcommand{\sQ}{\mathsf{Q}}
\newcommand{\sR}{\mathsf{R}}
\newcommand{\sS}{\mathsf{S}}
 \newcommand{\sT}{\mathsf{T}}
 \newcommand{\sU}{\mathsf{U}}
 \newcommand{\sV}{\mathsf{V}}
 \newcommand{\sW}{\mathsf{W}}
 \newcommand{\sX}{\mathsf{X}}
 \newcommand{\sY}{\mathsf{Y}}
 \newcommand{\sZ}{\mathsf{Z}}




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s\theoremstyle{mydefinition}
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\newcommand{\makeheader}[4]{
\setcounter{lecture}{#3}
\noindent
\parbox{8cm}{
    Institute of Mathematical Sciences\\
    Thematic Summer Program on Finite Fields\\
    \rule{0mm}{6mm}%
    {\sc Instructor:} #1\\
    {\sc Scribe:}   Kannappan Sampath\\
    {\sc Date:}     #2
}
\hfill
\begin{tabular}{c@{}}
{\bf\Large LECTURE}\\
\rule{0mm}{17mm}\scalebox{6.6}{\bf\thelecture}
\end{tabular}

\vspace{2.5cm}
\begin{center}
{\LARGE \sc  #4}
\end{center}
\vspace{1cm}
\thispagestyle{empty}
}