Katrin FAESSLER
Katrin FAESSLER
Katrin FAESSLER
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The setting: Heisenberg group<br />
Definition<br />
The Heisenberg group H 1 can be modeled on C × R such that the group<br />
law reads<br />
p ∗ p ′ = (z + z ′ , t + t ′ + 2 Im(zz ′ )),<br />
for p = (z, t), p ′ = (z ′ , t ′ ) ∈ H 1 with z, z ′ ∈ C, t, t ′ ∈ R.<br />
<strong>Katrin</strong> Fässler (University of Helsinki) A stretch map on H 1<br />
HCAA 2012 3 / 23