\documentclass[11pt]{amsart}
\textwidth40em
%\textheight53em
%\voffset-1cm
\hoffset-1cm
\pagestyle{myheadings}

\usepackage{amscd,amssymb,amsmath}

\newcommand{\lat}{\newline \hspace*{1.5cm}}
\newcommand{\vp}{\varphi}
\newcommand{\ra}{\rightarrow}
\newcommand{\cl}{\subseteq}
\newcommand{\nn}{\parallel}
\newcommand{\pr}{\times}
\newcommand{\ti}{\tilde}
\newcommand{\ep}{\epsilon}
\newcommand{\de}{\Delta}
%\newcommand{\th}{\theta}
\newcommand{\mic}{\vspace{9mm}}
\newcommand{\mare}{\vspace{19mm}}
\newcommand{\coin}{{\cal C}^{\infty}_{2\pi}}
\newcommand{\coz}{{\mathcal C}^{0}_{2\pi}}
\newcommand{\cin}{{\mathcal C}^{\infty}}
\newcommand{\pa}{\partial}
\newcommand{\ga}{\gamma}
\newcommand{\om}{\omega}
\newcommand{\si}{\sigma}
\newcommand{\sfr}{\rule{.1in}{.1in}}
\newcommand{\ch}{\bf c \rm}

\newcommand{\C}{\bf C \rm}
\newcommand{\Z}{\bf Z \rm}
\newcommand{\Q}{\bf Q \rm}
\newcommand{\R}{\bf R \rm}
\newcommand{\N}{\bf N \rm}
\newcommand{\che}{ch^{even}}
\newcommand{\cho}{ch^{odd}}

\newtheorem{thm}{Theorem}[section]



\begin{document}

\title[Chern Character]
         {The Odd Chern Character and Professional Diagrams}
\author{Dorin Dumitra\c scu}
\email{dumitras@math.psu.edu}
\date{\today}
\maketitle
\tableofcontents


\input{sec1.tex}

\begin{thebibliography}{[Atiy]}
\bibitem[Atiy]{Atiy} - Atiyah, M.F. , $K$-theory, Benjamin, New York, 1967
\bibitem[Htch]{Htch} -  Hatcher, Allen E. , Algebraic topology, unpublished
\bibitem[Karb]{Karb} -  Karoubi, M. , $K$-theory - an introduction,
 Grundlehren der mathematischen Wissenschaften 226, Springer-Verlag, 1978
\bibitem[Span]{Span} - Spanier, E.H. , Algebraic topology, McGraw-Hill,
 1966
\bibitem[Stnr]{Stnr} - Steenrod, N. , The topology of fiber bundles,
Princeton University Press, 1951
\end{thebibliography}

%\input{index.tex}

\end{document}