Katrin FAESSLER
Katrin FAESSLER
Katrin FAESSLER
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Radial stretch maps<br />
On the complex plane<br />
fk(z) = |z| k−1 z, (0 < k < 1).<br />
a prototype for quasiconformal mappings<br />
extremal for various problems.<br />
Question<br />
Radial stretch map on the sub-Riemannian Heisenberg group?<br />
<strong>Katrin</strong> Fässler (University of Helsinki) A stretch map on H 1<br />
HCAA 2012 2 / 23