# Wikipedia Authors - Sublinear Function (Highlights)  ## Highlights - In computer science, a function $f: \mathbb{Z}^{+} \rightarrow \mathbb{R}$ is called sublinear if $\lim _{n \rightarrow \infty} \frac{f(n)}{n}=0$, or $f(n) \in o(n)$ in asymptotic notation (notice the small $o$ ).