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\author{
  Jean-Fran\c cois Couchot, \and 
  Ahmed Mostefaoui\\
  FEMTO-ST Institute, UMR 6174 CNRS\\
  DISC Department, University of Franche-Comt\'{e}\\
  Belfort, France\\
  \{jean-francois.couchot, christophe.guyeux, jacques.bahi\}@femto-st.fr\\
}


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\title{}




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\begin{abstract}
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\begin{IEEEkeywords}
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\section{Introduction}  
\input{intro}





\section{Improving an Existing Scheme}
\input{HLG}


\subsection{A closer look to convexity}

\subsection{Directly retreiving the argmin}

\subsection{Convergence Detection} 

\section{Fault-Tolerence Considerations}

\


\section{Discussion and Future Work}
\input{conclusion}


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