Siegel Disks Whose Boundaries are Jordan Curves with Positive Area

Citation:

Hongyu QU · Jianyong QIAO.Siegel Disks Whose Boundaries are Jordan Curves with Positive Area[J].Chinese Annals of Mathematics B,2025,46(6):807~858
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Authors:

Hongyu QU · Jianyong QIAO;

Foundation:

This work was supported by the National Natural Science Foundation of China (Nos. 12301102, 12471084), the Fundamental Research Funds for the Central Universities, Undergraduate General Education Reform Project of Beijing University of Posts and Telecommunications (No. 2025YB63) and the Graduate General Education Reform Project of Beijing University of Posts and Telecommunications (No. 2025YY024).
Abstract: In this paper, the authors construct a univalent function having a relatively compact Siegel disk whose boundary is a Jordan curve of positive area. The construction is based on a general scheme in which Ch′eritat added Runge’s theorem, to construct a relatively compact Siegel disk and Osgood’s method for constructing a Jordan curve of positive area.

Keywords:

Univalent functions, Siegel disks, Runge’s theorem, A Jordan curve of positive area

Classification:

37F50
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