Hyperbolic distance versus quasihyperbolic distance in plane domains
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- by David A. Herron and Jeff Lindquist HTML | PDF
- Trans. Amer. Math. Soc. Ser. B 8 (2021), 578-614
Abstract:
We examine Euclidean plane domains with their hyperbolic or quasihyperbolic distance. We prove that the associated metric spaces are quasisymmetrically equivalent if and only if they are bi-Lipschitz equivalent. On the other hand, for Gromov hyperbolic domains, the two corresponding Gromov boundaries are always quasisymmetrically equivalent. Surprisingly, for any finitely connected hyperbolic domain, these two metric spaces are always quasiisometrically equivalent. We construct examples where the spaces are not quasiisometrically equivalent.References
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Additional Information
- David A. Herron
- Affiliation: Department of Mathematical Sciences, University of Cincinnati, Cincinnati, Ohio 45221-0025
- MR Author ID: 85095
- Email: David.Herron@UC.edu
- Jeff Lindquist
- Affiliation: Department of Mathematical Sciences, University of Cincinnati, Cincinnati, Ohio 45221-0025
- MR Author ID: 1197165
- Email: jlindquistmath@gmail.com
- Received by editor(s): October 7, 2020
- Received by editor(s) in revised form: March 23, 2021
- Published electronically: July 16, 2021
- © Copyright 2021 by the authors under Creative Commons Attribution-Noncommercial 3.0 License (CC BY NC 3.0)
- Journal: Trans. Amer. Math. Soc. Ser. B 8 (2021), 578-614
- MSC (2020): Primary 30F45, 30L99; Secondary 51F99, 30C62
- DOI: https://doi.org/10.1090/btran/73
- MathSciNet review: 4287509
Dedicated: Dedicated to David Minda, for decades of interesting discussions.