1
vote
1answer
426 views

math.SE-compatible LaTeX for diagrams with non-horizontal “decorated” arrows?

I'm looking for LaTeX directives that I can use in posts to math.SE to make category-theory-style diagrams that use non-horizontal (vertical, slanted, curved) arrows, both "plain" (i.e. the ...
2
votes
2answers
2k views

Why does the less than equal to symbol not appear as intended in the following code?

When I use the following code on stats.stackexchange.com (which is powered by MathJax) the \le does not render properly. Is this a bug in MathJax or am I not using the \le symbol properly? $X_3 = ...