Simple Template

\documentclass[12pt]{amsart}

\usepackage{amsmath,amssymb,amsthm, amsfonts}   % math
\usepackage{graphicx}   % need for pictures
\usepackage{pstricks}   % for color and drawings
\usepackage{hyperref}   % use for hypertext links

\usepackage{mathtools}      % This stuff is so that the equations
\mathtoolsset{showonlyrefs} % only show numbers if referenced.

\usepackage{mathrsfs}
\usepackage{multicol}   % for 2-column or 3-column. Use \begin{multicols}{2} or whatever,
                        % with \end{multicols} on the other side.
\usepackage{fullpage}   % makes the margines way smaller

%% SECTION/SUBSECTION LABELING
%
% \arabic (1, 2, 3, ...)
% \alph (a, b, c, ...)
% \Alph (A, A, C, ...)
% \roman(i, ii, iii, ...)
% \Roman(I, II, III, ...)
% \fnsymbol (*, �, �, �, �, ...)
%
% Consider also: \thechapter for book/report class or
% \thepart, theenumi....
% 
\renewcommand\thesection{\arabic{section}}
\setcounter{section}{-1}
\renewcommand\thesubsection{(\Alph{subsection})}
\renewcommand\theequation{\arabic{equation}}

\renewcommand\theenumi{ \alph{enumi}}

%% TITLE & AUTHOR
\title{TITLE}
\author{Name\\email}

%% Preamble ends here.

\begin{document}

\maketitle

\end{document}