$\left.\begin{array}{rr} (X,\tau), \text{ kompakt uzay}\Rightarrow X, \ \tau\text{-kompakt} \\ \\ f, \ (\tau_1\text{-}\tau_2) \text{ sürekli}\end{array}\right\}\overset{?}{\Rightarrow} f[X], \ \tau'\text{-kompakt}$
$\left.\begin{array}{rr} \Rightarrow X\times f[X], \ \tau\star\tau'\text{-kompakt} \\ \\ G_f=X\times f[X]\end{array}\right\}\overset{?}{\Rightarrow} G_f, \ \tau\star\tau'\text{-kompakt}.$