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Quasiconformal maps with bilipschitz or identity boundary values in Banach spaces




TekijätYaxiang Li, Matti Vuorinen, Xiantao Wang

KustantajaFinnish Academy of Science and Letters

KustannuspaikkaFinland

Julkaisuvuosi2014

Lehti:Annales Academiae Scientiarum Fennicae. Mathematica

Tietokannassa oleva lehden nimiAnnales Academiae Scientiarum Fennicae Mathematica

Vuosikerta39

Numero1

Aloitussivu905

Lopetussivu917

Sivujen määrä13

ISSN1239-629X

DOIhttps://doi.org/10.5186/aasfm.2014.3954

Verkko-osoitehttp://www.acadsci.fi/mathematica/Vol39/LiVuorinenWang.html


Tiivistelmä

Suppose that E and E' denote real Banach spaces with dimension at least 2 and that D {subset of with not equal to} E and D' {subset of with not equal to} E' are uniform domains with homogeneously dense boundaries. We consider the class of all ϕ-FQC (freely ϕ-quasiconformal) maps of D onto D' with bilipschitz boundary values. We show that the maps of this class are η-quasisymmetric. As an application, we show that if D is bounded, then maps of this class satisfy a two sided Hölder condition. Moreover, replacing the class ϕ-FQC by the smaller class of M-QH maps, we show that M-QH maps with bilipschitz boundary values are bilipschitz. Finally, we show that if f is a ϕ-FQC map which maps D onto itself with identity boundary values, then there is a constant C, depending only on the function ϕ, such that for all x ∈ D, the quasihyperbolic distance satisfies k(x, f(x)) ≤ C.




Last updated on 2024-26-11 at 15:30