Inequalities on the inner radius of univalency and the norm of pre-Schwarzian derivative

  • Tao Cheng*
  • , Yue Ming Kang
  • , Ji Xiu Chen
  • *Corresponding author for this work

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Abstract

In this paper, we get a lower bound of inner radius of univalency of Schwarzian derivative by means of the norm of pre-Schwarzian derivative. Furthermore, we apply the theory of Universal Teichmuller Space to explain its geometric meaning which shows the relationship between the inner radius in Universal Teichmuller Space embedded by Schwarzian derivative and the norm defined in Universal Teichmuller Space embedded by pre-Schwarzian derivative.

Original languageEnglish
Pages (from-to)59-64
Number of pages6
JournalActa Mathematica Sinica, English Series
Volume25
Issue number1
DOIs
StatePublished - Jan 2009
Externally publishedYes

Keywords

  • Inner radius of univalency
  • Pre-Schwarzian derivative
  • Universal Teichmuller Space

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