[math]\lim_{z\rightarrow z_0} f(z)=f(z_0)[/math]
[math]_{z\rightarrow z_0}\lim f(z)=f(z_0)[/math]
[math] \overset{\lim_{z\rightarrow z_0}}{} [/math]
[math] \lim {n \to \infty} x [/math]
Thesis