Welcome to Steemit! I'm also a mathematician. I think you'll agree we need LaTeX typesetting (Mathjax, or something like Overleaf) ... but things will get there as we get more science community users, I think.
I recommend the . It gives an alternative to having your posts be more widely seen while you still have little steem power.
Steemengine / https://steemengine.net/join?r=476
It'd be really nice if the site can support LaTeX, it was quite hard to do all of that typesetting without it-- took me a lot of time and it still doesn't look good.