# [Tex/LaTex] Convergence in Distribution

arrows

I'm reading a textbook on different forms of convergence, and I've seen several examples in the text where they have an arrow with a letter above it to indicate different types of convergence. Does anyone know how to make that symbol? I tried what I thought was the most obvious guess ("\to^P") but that didn't work…

You can use \xleftarrow[]{} and \xrightarrow[]{} from the amsmath package (you have to include it in your preamble using \usepackage{amsmath}).
For example this code A\xleftarrow[f(x)]{n+\mu-1}B \xrightarrow[T]{n\pm i-1}C generates