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This is a screenshot from one of the papers of the Dozenal Society:

enter image description here

I'd like to ask, how you can do those arrows in LaTeX as they did in their equations.

A couple other things: Are those three math environments in a minipage that has been split into three?

And I'm guessing the way to do the justification is an align* environment with the & in the appropriate locations?

Primary questions are those arrows though. I never used them, but I'd sure like to know how to do those like that.

  • Should be pretty easy with tikzmark plus normal t kz. Search the site for tikzmark examples – daleif Jul 26 at 16:28
  • Easy also with pst-node , from the pstricks family. – Bernard Jul 26 at 16:29

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