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Approximation of polynomial hulls by analytic varieties: A counterexample

Approximation of polynomial hulls by analytic varieties: A counterexample

来源:Arxiv_logoArxiv
英文摘要

We construct a connected, compact set $K \subset \mathbb{C}^2$ with the following property: there exist points $p \in \hat{K} \setminus K$ such that there does not exist a sequence $\{A_ν\}$ of analytic sets $A_ν\subset\subset \mathbb{C}^2$ with boundary satisfying $p \in A_ν$ for every $ν\in \mathbb{N}$ and $\lim_{ν\to\infty} bA_ν\subset K$. For every point in $\hat{K} \setminus K$, we explicitly construct a sequence of Poletsky discs, and we compute the weak limit of the pushforwards of the Green current under these discs.

Tobias Harz

数学

Tobias Harz.Approximation of polynomial hulls by analytic varieties: A counterexample[EB/OL].(2025-07-22)[2025-08-10].https://arxiv.org/abs/2507.16338.点此复制

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