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Norm inequalities for vector functions

Authors
  • Bhayo, Barkat A.
  • Božin, Vladimir
  • Kalaj, David
  • Vuorinen, Matti
Type
Preprint
Publication Date
Mar 15, 2011
Submission Date
Aug 25, 2010
Identifiers
arXiv ID: 1008.4254
Source
arXiv
License
Unknown
External links

Abstract

We study vector functions of ${\mathbb R}^n$ into itself, which are of the form $x \mapsto g(|x|)x\,,$ where $g : (0,\infty) \to (0,\infty) $ is a continuous function and call these radial functions. In the case when $g(t) = t^c$ for some $c \in {\mathbb R}\,,$ we find upper bounds for the distance of image points under such a radial function. Some of our results refine recent results of L. Maligranda and S. Dragomir. In particular, we study quasiconformal mappings of this simple type and obtain norm inequalities for such mappings.

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