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math.DG2026
A solvmanifold with a left-invariant complex structure whose universal cover is not Stein
Shuho Kanda
We construct a simply connected solvable Lie group admitting lattices and a left-invariant complex structure such that is not Stein. This provides a counterexample…
math.DG2026
Holomorphic polynomial crystallographic actions of nilpotent groups
Shuho Kanda
We prove that every simply connected nilpotent Lie group endowed with a left-invariant nilpotent complex structure is biholomorphic to . Moreover, we construct such a…