% sample latex/latex2e file
% useful for short papers and abstracts
% genuine finger-typed files by Christina C. Christara

\documentclass[12pt]{article}

\linespread{1.15} % for more than single spacing

% take more advantage of the size of paper
\addtolength{\topmargin}{-1.5cm}
\addtolength{\textheight}{3cm}
\addtolength{\evensidemargin}{-1.5cm}
\addtolength{\oddsidemargin}{-1.5cm}
\addtolength{\textwidth}{3cm}

% some standard packages
\usepackage{times}
\usepackage{graphics}
\usepackage{subfigure, epsfig}
\usepackage{rotate}
%\usepackage{pstricks}

% AMS, keywords, etc
\newenvironment{AMS}{\small\textit{AMS subject classification:}}{}
\newenvironment{keywords}{\small\textit{Key words:}}{}

\begin{document}

\begin{center}
{\Large\bf
A Descriptive Title that May \\
or May Not Go Over Two Lines
}

\medskip

{\Large
Givenname1 Familyname1$^a$,
Givenname2 Familyname2$^b$, and
Givenname3 Familyname3$^a$
}
\\
{\large
$^a$Department of Computer Science, University of XXX, \\
City, Province, Country\\
$^b$Department of Mathematics, University of YYY, \\
City, Province, Country\\
\normalsize{\texttt{
e-mail1@address1.edu,email2@address2.com,email3@address3.gr
}}
}
\end{center}

\medskip
\begin{keywords}
{\small Manuscript preparation, sample file, Latex.}
\end{keywords}
\medskip

\noindent
This is the abstract.  This is the abstract.
We consider the numerical solution
of the heat equation
\begin{equation}
\frac{\partial u}{\partial t} =
\sigma \frac{\partial^2 u}{\partial x^2} .
\label{eq:Familyname1_1}
\end{equation}
Equation (\ref{eq:Familyname1_1}) is a parabolic equation.
This is the abstract.  This is the abstract.
This is the abstract.  This is the abstract.
This is the abstract.  This is the abstract.
This is the abstract.  This is the abstract.
This is the abstract.  This is the abstract.

\bigskip

\end{document}
