deletions | additions       diff --git a/layout.md b/layout.md  index 336c9a8..285b9b0 100644  --- a/layout.md  +++ b/layout.md 
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figures/HessSparsity/HessSparsity.png  Molecular Vibrations 21.tex  figures/MMNColumnsVsNRings/MMNColumnsVsNRings.png  Molecular Vibrations 2.tex 31.tex  figures/Hessian/Hessian.png  Molecular Vibrations 3c.tex  figures/NColumnsVsNRings/NColumnsVsNRings.png