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\begin{multicols}{2} \begin{minipage}[t]{0.5\textwidth}  Saad ismail  Georgia Institute of Technology  [email protected]  \columnbreak [email protected]\end{minipage}  \begin{minipage}[t]{0.5\textwidth}  Brent Blihovde  Georgia Institute of technology  [email protected]  \end{multicols} \end{minipage}