It was characteristic of Hopf 's views on our science that this meant not only learning algebraic topology - then a very young field - but also getting acquainted with group theory, differential geometry, and algebra in the "abstract" sense of the Emmy Noether school.
Ito ay katangian ng Hopf 's views sa aming mga agham na ito sinadya hindi lamang ang pag-aaral ng algebraic topology - pagkatapos ng isang napakabata patlang - ngunit din getting acquainted sa mga grupo ng teorya, kaugalian geometry, algebra at sa "mahirap unawain" kahulugan ng Emmy Noether paaralan .