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- Title
A new perspective on the Sullivan dictionary via Assouad type dimensions and spectra.
- Authors
Fraser, Jonathan M.; Stuart, Liam
- Abstract
The Sullivan dictionary provides a beautiful correspondence between Kleinian groups acting on hyperbolic space and rational maps of the extended complex plane. We focus on the setting of geometrically finite Kleinian groups with parabolic elements and parabolic rational maps. In this context an especially direct correspondence exists concerning the dimension theory of the associated limit sets and Julia sets. In recent work we established formulae for the Assouad type dimensions and spectra for these fractal sets and certain conformal measures they support. This allows a rather more nuanced comparison of the two families in the context of dimension. In this expository article we discuss how these results provide new entries in the Sullivan dictionary, as well as revealing striking differences between the two families.
- Subjects
ENCYCLOPEDIAS &; dictionaries; HYPERBOLIC groups; FINITE groups; FRACTAL dimensions
- Publication
Bulletin (New Series) of the American Mathematical Society, 2024, Vol 61, Issue 1, p103
- ISSN
0273-0979
- Publication type
Article
- DOI
10.1090/bull/1796