Just now
In these days the angel of topology and the devil of abstract algebra fight for the soul of each individual mathematical domain.
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Source
source
Weyl, Hermann. Invariants. Duke Math. J. 5 (1939), no. 3, 489--502. doi:10.1215/S0012-7094-39-00540-5. http://projecteuclid.org/euclid.dmj/1077491405.
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