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Conformal Geometry and Dynamics

Published by the American Mathematical Society, the Conformal Geometry and Dynamics (ECGD) is devoted to research articles of the highest quality in all areas of pure and applied mathematics.

ISSN 1088-4173

The 2020 MCQ for Conformal Geometry and Dynamics is 0.5.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.


A metric that better approximates the hyperbolic metric
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by William Ma PDF
Conform. Geom. Dyn. 26 (2022), 1-9 Request permission


We introduce a metric, called the star metric, that gives us better upper bound of the hyperbolic metric than the Möbius invariant metric. We present various examples, and comparisons among the hyperbolic metric, the Möbius invariant metric and the star metric.
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Additional Information
  • William Ma
  • Affiliation: Department of Mathematics, School of Business, Arts and Sciences, Pennsylvania College of Technology, Williamsport, Pennsylvania 17701
  • MR Author ID: 232636
  • Email:
  • Received by editor(s): March 29, 2021
  • Published electronically: February 1, 2022
  • © Copyright 2022 American Mathematical Society
  • Journal: Conform. Geom. Dyn. 26 (2022), 1-9
  • MSC (2020): Primary 30F45; Secondary 30C55, 30C20
  • DOI:
  • MathSciNet review: 4374952