Lower bounds for the area of the image of a circle

Authors

  • B.A. Klishchuk
    Institute of Mathematics, Ukrainian National Academy of Sciences, Kiev
  • R.R. Salimov
    Institute of Mathematics, Ukrainian National Academy of Sciences, Kiev

DOI:

https://doi.org/10.13108/2017-9-2-55

Keywords:

$p$-modulus of a family of curves, $p$-capacity of condenser, quasiconformal mappings, $Q$-homeomorphisms w.r.t. $p$-modulus.

Abstract

In the work we consider $Q$-homeomorphisms w.r.t $p$-modulus on the complex plane as $p>2$. We obtain a lower bound for the area of the image of a circle under such mappings. We solve the extremal problem on minimizing the functional of the area of the image of a circle.

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Published

20.06.2017