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%%%%%%%% Please do not modify the preamble  %%%%%%%%%%%%
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\documentclass[a4paper,12pt]{article}
\usepackage[top=3.5cm,bottom=2.5cm,left=2.5cm,right=2.5cm]{geometry}

\usepackage{amsmath,amsthm,amsfonts,amssymb,latexsym,enumerate,graphicx,parskip}

\newcommand{\titleoftalk}[1]{{\LARGE \textbf{#1}}\\ [20pt]}
\newcommand{\speaker}[1]{{\large #1}\\ [10pt]}
\newcommand{\university}[1]{\textsc{#1}\\ [10pt]}
\newcommand{\email}[1]{{\texttt{\small #1}}\\ [20pt]}
\newcommand{\joint}[1]{{\small #1}\\ [40pt]}

\begin{document}

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%%%% Fill in the required details below. %%%%


\begin{centering}
\titleoftalk{Title}  %%% input title of talk
\speaker{{Y} {X}}      %%% input first-name and surname of presenting author
\university{Affiliation}   %%% input affiliation of presenting author
\email{xy@zw.com}     %%% input e-mail address of presenting author
\joint{(\textit{joint work with }{Z} {W})} %%%comment or delete this line if not relevant
\end{centering}

\

\begin{abstract}


%% No references are required, but if you give any, please use the following format and arrange in ALPHABETICAL ORDER according to surname.

%% Delete the following if no references are given.
%%% *****************

\vspace{15pt}

 \setlength{\parindent}{0cm}{\textbf{References:}


[1] 

}
%%% *****************

\end{abstract}


\end{document}
