From 1850 onwards Gauss's work was again nearly all of a practical nature although he did approve Riemann 's doctoral thesis and heard his probationary lecture.
Mula 1850 pasulong gauss ng trabaho ay muli ang halos lahat ng isang praktikal na katangian kahit na siya ay aprubahan Riemann 's doktor sanaysay at narinig ang kanyang nasa pagsubok panayam.