title: Lectures on Quasiconformal Mappings (University Lecture Series)
author:  Lars V. Ahlfors 
description: "The lectures and supplements constitute a very efficient way of learning some complicated theories with numerous applications." ---- EMS Newsletter<br /><br />"Most library copies of the first edition are now very well-thumbed from use by generations of mathematicians, so this second edition is very welcome. ... The second edition is made much more valuable by the addition of three new chapters by leading authorities in fields where quasiconformal mappings have proved especially fruitful." ---- Mathematical Reviews
zlib_text: Russian Mathematical Surveys
       
        
        
  PAPER
  A note on the injectivity radius of quasiconformal
  immersions
  To cite this article: V. A. Zorich 2016 Russ. Math. Surv. 71 161
   
  View the article online for updates and enhancements.
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  Communications of the Moscow Mathematical Society
  161
  A note on the injectivity radius of quasiconformal immersions
  V. A. Zorich
  1. Introduction. A locally invertible quasiconformal mapping f : Rn → Rn is globally
  invertible if n > 2. This result was stated by Lavrentiev [1] for n = 3 a