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\author{Nathan Willis} 
\title{Bibtex Demo for Latex Workshop}

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In a recent paper Aurentz and Trefethen \cite{aurentz2017block} demonstrate the utility behind the idea of infinite dimensional block operators before discretization. The spectral discretization \cite{berrut2004barycentric} is not the purpose of this paper, but the usefulness of these block operators depends on the \textit{upsampling} and \textit{downsampling} of the discrete grids which is done trivially after interpolation in this way. The authors do not claim they are the first to conceive of this technique and direct the reader to articles by Tretter \cite{tretter2008spectral} as well as Born, Heissenberg, and Jordan \cite{born1968quantum}.

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