108 citations · 348 across the 28 of their papers we have counts for
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math.HO2017★ 6 cited
On the history of the Hopf problem
Ilka Agricola, Giovanni Bazzoni, Oliver Goertsches +2
This short note serves as a historical introduction to the Hopf problem: "Does there exist a complex structure on ?" This unsolved mathematical question was the subject of the…
math.DG2017
and the geometry of nearly Kähler -manifolds
Ilka Agricola, Aleksandra Borówka, Thomas Friedrich
We review results on and around the almost complex structure on , both from a classical and a modern point of view. These notes have been prepared for the Workshop "(Non)-exis…