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STARLIKENESS AND CONVEXITY OF CAUCHY TRANSFORMS ON REGULAR POLYGONS
Bulletin of the Australian Mathematical Society ( IF 0.6 ) Pub Date : 2020-10-05 , DOI: 10.1017/s0004972720000696 PENG-FEI ZHANG , XIN-HAN DONG
Bulletin of the Australian Mathematical Society ( IF 0.6 ) Pub Date : 2020-10-05 , DOI: 10.1017/s0004972720000696 PENG-FEI ZHANG , XIN-HAN DONG
For $n\geq 3$ , let $Q_n\subset \mathbb {C}$ be an arbitrary regular n -sided polygon. We prove that the Cauchy transform $F_{Q_n}$ of the normalised two-dimensional Lebesgue measure on $Q_n$ is univalent and starlike but not convex in $\widehat {\mathbb {C}}\setminus Q_n$ .
中文翻译:
正多边形上柯西变换的星象性和凸性
为了$n\geq 3$ , 让$Q_n\subset \mathbb {C}$ 是任意正则n 边多边形。我们证明了柯西变换$F_{Q_n}$ 的归一化二维 Lebesgue 测度$Q_n$ 是单价的和星状的但不是凸的$\widehat {\mathbb {C}}\setminus Q_n$ .
更新日期:2020-10-05
中文翻译:
正多边形上柯西变换的星象性和凸性
为了