tex_template

\documentclass[a4j,12pt]{jarticle}

\usepackage{amsmath,amsthm,txfonts}

\usepackage[dviout]{graphicx}

\def\d{\textnormal{d}}

\def\({\left(}

\def\){\right)}

\def\p{\partial}

\def\lp{\left\{}

\def\rp{\right\}}

\def\vec#1{\textrm{\boldmath $#1$}}

\title{}

\author{}

\date{}

\begin{document}

\maketitle

\newpage

\end{document}