Sometimes, I would like—in order to be as coherent and comprehensible as possible in the notation I use—to follow recommendations from some international working group, committee, or organisation devoted to develop and promote standard mathematical language, similar to IUPAC for chemistry or IUPAP for physics.
Do you know if such thing exists for mathematics?
The ISO has published a document ISO/DIS 80000-2 whose contents list can be viewed here. Unfortunately the full document is behind a paywall.