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math.CV2026
Stein neighborhood bases for complex--totally real unions
Ovidiu Preda
We study Stein neighborhood bases for unions of closed complex and totally real submanifolds, with particular attention to a linear configuration with noncompact intersection. We p…
math.CV2026
The Cœuré-Loeb example as an open subset of a Stein space
Ovidiu Preda
The Serre problem asked if a locally trivial holomorphic fibration with Stein base and Stein fiber is itself Stein. \v Skoda constructed the first counterexample for this problem.…