\documentclass[proceedings]{dmtcs}
\author{F\"urst Autor\addressmark{1}\thanks{I am not supported.}
  \and Segond One\addressmark{2}
  \and Someone \"Alse\addressmark{2}}
\title[Formatting a submission for DMTCS]{More Reflections on how to format a submission}
\address{\addressmark{1}University of the Purpleland\\
\addressmark{2}Alma Mater, campus universalis, terra incognita}
\keywords{some well classifying words}

\begin{document}
\maketitle
\begin{abstract}
  This abstract should be some brief description of your work and how
  it advances our science.
\end{abstract}

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\end{document}
