5

I'm trying to typeset some (extended) Sweedler notation (if you want context); something like

$ {{b_{(1)}}^{(1)}}_{(1)} $

This trick of enclosing things in more and more curly brackets seems to work fine for one subscript and one superscript, but in this example with three indices, we get:

Example

Notice that the 3rd index is lower than the 1st.

What would be a better way to typeset this?

  • 2
    your third subscript is subscripting b_{(1)} so has to be lower, you could simply use b {}_{(1)} {}^{(1)} {}_{(1)} – David Carlisle Jul 10 at 18:26
7

How about:

$ {{b_{(1)}}^{(1)}}{}_{(1)} $

In your code, the second subscript is appended to the entire preceding formula, hence it is placed lower than anything in that formula. So, I just appended that second subscript to empty brackets instead, and it seems to deliver:

enter image description here

| improve this answer | |
  • Yes, of course! Thankyou. – Matthew Daws Jul 10 at 19:30
7

You can use the tensor package:

\documentclass{article}
\usepackage{amsmath,tensor}

\begin{document}

\[
\tensor{b}{^{(1)}_{(1)}^{(1)}}
\]

\end{document}

enter image description here

| improve this answer | |

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