Load mathtools, change font and add demo to content preamble: - Load the mathtools package. - Load fourier font. - Define command \bvec for bold vectors with an arrow over them. - Define paired delimiters \arcs as normal curved parentheses. - Define divergence operator div as \divop. subject-matter.tex: - Change the mathematics slide in subject matter to display the font. sources.bib: - Add samavaki--etal-2023 to references to signify where the new math came from.