\documentclass[12pt]{article}
\usepackage{amsmath,amsthm,amssymb}

\textheight=22cm
\textwidth=15cm
\oddsidemargin=5mm
\evensidemargin=5mm

\begin{document}

\begin{center}

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% TITLE - please fill in the title below:
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{\bf\Large  Title of Your Lecture  }

\vspace{8mm}

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% First author's name and affiliation:
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{\sc\large Your Names}

\vspace{3mm}


{\em Your Affiliation\\
E-mail: }

\vspace{5mm}
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% Second author's name and affiliation:
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% Please repeat for any additional authors
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\end{center}


\vspace{8mm}
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% ABSTRACT: Please insert your abstract below:
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Abstract of Your lecture


\vspace{5mm}

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% BIBLIOGRAPHY: Please insert the references in alphabetical order, after the surname of the first author.
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\begin{thebibliography}{9}

\end{thebibliography}

\end{document} 