In LaTeX there are several spacing commands in Math Mode, especially
\, which is mandatory (or at least very very strongly recommended) for integrals.
However that one at least (I did not test the other ones) doesn’t work, it displays a
Same issue with
&, used for equation alignment: With
& equations are aligned but there are unwelcome
amp;, and without
& equations are unaligned (as expected).
So currently equation alignment is basically impossible…
Do you know if there’s an issue with LaTeX support in the Markdown flavor you’re using?