[Tex/LaTex] Accent in letters over a Letter


I would like to write something of the sort. It's a form of an accent but I do not know how to write letters instead of just dots or a tilde.

Thank youenter image description here

Best Answer

Here are three additional possibilities. They vary in (a) the symbol used to connect "e" and "m" -- a mathematical minus sign or a simple dash -- and (b) the size of the superscript material -- \scriptsize or \tiny. Not knowing what "e-m" stands for, I don't dare offer an opinion on which form is best.

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$\overset{\textit{\tiny e-m}}{\mathcal{T}}$
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