Latex stuff

• Use hyphen in math mode
• $Non\mbox{-}object$
• Multiline equation: \usepackage{amsmath}
• \begin{equation}
• \begin{split}
• ... \\
• \end{split}
• \end{equation}
• displaying-a-wide-figure-in-a 2 column doc
• trick is to use \begin{figure*} instead of \begin{figure}
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