A non-strictly pseudoconvex domain for which the squeezing function tends to 1 towards the boundary
John Erik Fornæss, Erlend Fornæss Wold
Abstract
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John Erik Fornæss, Erlend Fornæss Wold
Abstract
Open-access reader
In recent work by Zimmer it was proved that if $\Omega\subset\mathbb C^n$ is a bounded convex domain with $C^\infty$-smooth boundary, then $\Omega$ is strictly pseudoconvex provided that the squeezing function approaches one as one approaches the boundary. We show that this result fails if $\Omega$ is only assumed to be $C^2$-smooth.
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In recent work by Zimmer it was proved that if $\Omega\subset\mathbb C^n$ is a bounded convex domain with $C^\infty$-smooth boundary, then $\Omega$ is strictly pseudoconvex provided that the squeezing function approaches one as one approaches the boundary. We show that this result fails if $\Omega$ is only assumed to be $C^2$-smooth.
Key concepts: Pseudoconvex function, Boundary (topology), Convex domain, Mathematics, Domain (mathematical analysis), Bounded function, Omega, Regular polygon