I know there are plenty of similar questions. If you check out the lower picture, you can see that i've tried a bunch of things to solve my problem. That's just one picture...i'm kind of obsessed with the detail here. I've also tried all \smallfrowns and \arrowright commands and they are even uglier. The biggest problem seems to be that the curve above the letter is not proportional to the size of the letter...AND most of the times it's to far away (height). I deleted my solution so please do not ask what commands i have used in my example. That was weeks ago. But if you need some sort of MWE let me know.

However, what i want is a solution like in the first picture.

My documentclass: \documentclass{scrreprt}

in case it makes a difference, i also use: \usepackage{amsmath, amssymb}

how it should look like

what i have tried so far

1 Answer 1


Here I offer two variants, where a right paren (rotated) is scaled to the proper width, or where it is stretched to the proper width. The vertical offset is controlled by the optional argument to \stackon. I personally find the \stretchto option superior.

EDIT: Definitions tweaked to auto-handle smaller mathstyles.

Using \verb|\scaleto|:
\[ \overarc{x} \quad \overarc{X} \quad \overarc{ABC} \]
\[ \frac{F_z}{\overarc{z}}  \frac{F_z}{\scriptstyle\overarc{z}}
  \frac{F_z}{\scriptscriptstyle\overarc{z}} \]

Using \verb|\stretchto|:
\[ \overarc{x} \quad \overarc{X} \quad \overarc{ABC} \]
\[ \frac{F_z}{\overarc{z}}  \frac{F_z}{\scriptstyle\overarc{z}}
  \frac{F_z}{\scriptscriptstyle\overarc{z}} \]

enter image description here

  • @goodstuff Note that this formulation should automatically work in \scriptstyle as well as \scriptscriptstyle. Dec 8, 2014 at 16:45
  • do you mean i could have used \smallfrown with \scriptstyle to get the adjustment i wanted? i don't really get what you mean.
    – goodstuff
    Dec 8, 2014 at 17:22
  • @goodstuff Please see my edit. I needed a small tweak to the definitions, but show how the smaller math styles are handled automatically. Dec 8, 2014 at 17:46

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