Mathematics – Classical Analysis and ODEs
Scientific paper
2010-08-25
Mathematics
Classical Analysis and ODEs
19 pages
Scientific paper
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.
Bhayo Barkat Ali
Božin Vladimir
Kalaj David
Vuorinen Matti
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