Hausdorff dimension distribution of quasiconformal mappings on the Heisenberg group |
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Authors: | Zoltán M Balogh |
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Institution: | 1. Mathematisches Institut, Universit?t Bern, Sidlerstr. 5, CH-3012, Bern, Switzerland
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Abstract: | We construct quasiconformal mappings on the Heisenberg group which change the Hausdorff dimension of Cantor-type sets in an
arbitrary fashion. On the other hand, we give examples of subsets of the Heisenberg group whose Hausdorff dimension cannot
be lowered by any quasiconformal mapping. For a general set of a certain Hausdorff dimension we obtain estimates of the Hausdorff
dimension of the image set in terms of the magnitude of the quasiconformal distortion. |
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Keywords: | |
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