Year: 2025
Type: article
Abstract: We prove a sharp result for the distortion of a hyperbolic-type metric under K-quasiregular mappings of the upper half plane. The proof makes use of a new kind of Bernoulli inequality and the Schwarz lemma for quasiregular mappings.
Authors: Masayo Fujimura, Matti Vuorinen
Institutions: National Defense Academy of Japan, University of Turku
Language: English
Subfield: Geometry and Topology
Field: Mathematics
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4410907509