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\renewcommand{\refname}{Referencias}

%%%%%%%%%%%%%%%%% usar thm para numerar Teoremas en capitulos sin subsectiones
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%%%%%%%%%%%%%%%%%%%%%%%%%% usar thm1 para numerar capitulos con subsubsection
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\title{\vspace{-3cm}
\ \hspace{-2.70in}
{\small {\bf Morfismos},
Vol. XX, No. XX, 201X,
pp.
        X--X       %ini--fin %poner la primera y ultima pagina del articulo%
}
\\
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Un titulo (posiblemente) \\
complicado
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\author{\rnf   Autor 1
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%\and  \rnf    Autor 3
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\date{}

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\begin{document}
\maketitle

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\thankyou{1}{Becas, direcci\'on, etc del 1er autor.}

\thankyou{2}{Becas, direcci\'on, etc del 2do autor. Si el trabajo es parte de la tesis de uno de los autores, indicar el grado a obtener por medio de esta tesis, asi como el(los) asesor(es) y su adscripci\'on. }

%\thankyou{3}{Becas, direcci\'on, etc del 3er autor}

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\begin{abstract} \noindent
Este es el resumen.
\end{abstract}

\noindent \thanks{\it{2010 Mathematics Subject Classification:}
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Clasificaci\'on.
\\
\it{Keywords and phrases:}
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Palabras y expresiones claves.
}


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\section{Introducci\'on}
Esta es la introducci\'on.

\section{Secci\'on nueva}
Esta es una secci\'on nueva.

\begin{thm}\label{teo1}
Este es el primer teorema.
\end{thm}

\dem Esta es su demostraci\'on. \hfill$\Box$

\begin{thm}\label{teo2}
Este es el segundo teorema.
\end{thm}

\dem Por el Teorema \ref{teo1}, no se requiere demostraci\'on. \hfill $\Box$

\section{Ahora una secci\'on con subsecciones}

\subsection{Una subsecci\'on}

Esta es una subsecci\'on.

\begin{lem1}       
Este es un Lema.
\end{lem1}

\dem Esta es su demostraci\'on.\hfill $\Box$

\subsection{Otra subsecci\'on}

Esta es una segunda subsecci\'on.

\begin{prop1}
Esta es una proposici\'on.
\end{prop1}

\dem Esta es su demostraci\'on.\hfill$\Box$

\begin{nota1}\label{not1}
Esta es una nota.
\end{nota1}

Este es el final del art\'{\i}culo.


\bigskip
{\bf \centerline{Agradecimientos}}
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Estos son los agradecimientos.


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\bigskip
\hfill\
{\footnotesize
\parbox{5cm}{Autor 1\\
{\it Departamento de XXXXXX},\\
Universidad de XXXXXXXX,\\
Direcci\'on,\\
Direcci\'on,\\
{\sf email1@miuniversidad.mipais}}\
{\hfill}\
\parbox{5cm}{Autor 2\\
{\it Departamento de XXXXX},\\
Universidad de XXXXXXXX,\\
Direcci\'on,\\
Direcci\'on,\\
{\sf email2@tuuniversidad.tupais}}}\
\hfill



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\begin{thebibliography}{999}

\bibitem{CLM} Cohen F.R., Lada T.J. y May J.P.,                       
The Homology of Iterated Loop Spaces,
Lecture Notes in Math., {\bf 533}, Springer-Verlag (1976).

\bibitem{mfalk} Falk M. y Randell R.,                                        
{\em The lower central series of a fiber-type arrangement},
Inventiones Math.,{\bf 82}  (1985), 77-88.

\bibitem{config} Fadell E. y Neuwirth L.,                                    
{\em Configuration spaces},
Math. Scand., {\bf 10} (1962), 111-118.

\bibitem{kane} Kane R.,
{\em The Homology of Hopf-Spaces},
North-Holland Mathematical Library, {\bf 40} (1988).

\bibitem{serlie} Serre J.P.,
Lie Algebras and Lie Groups,
W.A. Benjamin, Inc. (1965).

\end{thebibliography}

\end{document}
