Ok, non ero sicuro servisse.
Il codice di questa in particolare è:
`
\begin{teorema}[Erdős – Taylor, 1960]
\label{teorema:localTime-terzo}
Per $d = 2$, si ha
\begin{equation*}
\mathbb{P}\Set{\xi\left(\underline{x},n\right) = \underline{0}} =
\begin{cases}
\frac{2\log \lVert \underline{x} \rVert}{\log n} \left(1 + O\left(\frac{\log_3 \lVert \underline{x} \rVert}{\log \lVert \underline{x} \rVert}\right)\right) \,& \text{se $20 < \lVert \underline{x} \rVert < n^{\frac{1}{3}}$,} \\
1 - 2 \frac{\log \left(\frac{\sqrt{n}}{\lVert \underline{x} \rVert}\right)}{\log n} \left( 1 + O\left( \frac{\log_2 \left(\frac{\lVert \underline{x} \rVert}{\sqrt{n}}\right)}{\log \left(\frac{\lVert \underline{x} \rVert}{\sqrt{n}}\right)} \right)\right) &\text{se $n^{\frac{1}{6}}<\lVert \underline{x} \rVert < \frac{\sqrt{n}}{20}$.}
\end{cases}
\end{equation*}
\end{teorema}
`