After leaving Prague he went to the University of Berlin where he studied during 1884 -85 and was taught by Weierstrass, Kronecker and Fuchs .
Pagkatapos iiwan ng Prague siya nagpunta sa Unibersidad ng Berlin kung saan siya-aral sa panahon ng 1884 at -85 ay tinuturuan sa pamamagitan ng Weierstrass, Kronecker at Fuchs.