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math.AG2025
On the topological Brauer group of generalized Kummer varieties
Moritz Hartlieb, Matteo Verni
We study the topological Brauer group of generalized Kummer varieties. We prove that it vanishes when their dimension is divisible by 4, while for all other dimensions except dimen…
math.AG2025
A note on cubic fourfolds containing several planes
Moritz Hartlieb
We study the geometry, Hodge theory and derived category of cubic fourfolds containing several planes and their associated twisted K3 surfaces. We focus on the case of two planes i…