In this note, we reformulate Aharonov’s univalence criterion in terms of projective Schwarzian derivatives of higher order. We also mention some relations between quasiconformal extendibility and the Aharonov criterion.

中文翻译：

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再谈阿哈罗诺夫不变式

在本文中，我们根据射影的高阶Schwarzian导数重新制定了Aharonov的一元准则。我们还提到准保形可扩展性与Aharonov准则之间的某些关系。