I need to typeset letter with a circle above it in math. \dot A does a very close result, but I need something that looks like \circ, not like \cdot.

Edit: there is awesome answer here, but Detexify failed for me, and I tried looking up tables, but haven't found what I needed.

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    \mathring{A}. – Manuel Apr 30 '15 at 8:33
  • @AndrewSwann Sorry, I know that awesome site, but it have not given me answer. – Lapshin Dmitry Apr 30 '15 at 9:00
  • I was not thinking of detexify, but of texdoc symbols given as the first option in the top answer - table 164 Math mode accents, the same table containg \dot. That not only answers your question, but tells you how to find answers to similar questions. – Andrew Swann Apr 30 '15 at 9:59
  • @AndrewSwann Thanks. As I mentioned, I was searching there, but haven't succeeded. – Lapshin Dmitry Apr 30 '15 at 10:02
Use \overset{\circ}{X} or \mathring{X} for letter X say
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  • 1
    \mathring - exactly what i needed! – Lapshin Dmitry Apr 30 '15 at 8:55
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    I'd avoid the first: \mathring is the correct answer – egreg Apr 30 '15 at 9:22

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